19990623420

素因数分解:

$2^2\times 3^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:725

約数の個数: 384

約数和(自身を含む): 67923394560

約数和(自身を除く): 47932771140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 31, 36, 45, 46, 54, 60, 62, 69, 81, 90, 92, 93, 108, 115, 124, 135, 138, 155, 162, 180, 186, 207, 230, 243, 270, 276, 279, 310, 324, 345, 372, 405, 414, 460, 465, 486, 540, 558, 620, 621, 641, 690, 713, 729, 810, 828, 837, 930, 972, 1035, 1116, 1215, 1242, 1282, 1380, 1395, 1426, 1458, 1620, 1674, 1860, 1863, 1923, 2070, 2139, 2187, 2430, 2484, 2511, 2564, 2790, 2852, 2916, 3105, 3205, 3348, 3565, 3645, 3726, 3846, 4140, 4185, 4278, 4374, 4860, 5022, 5580, 5589, 5769, 6210, 6410, 6417, 7130, 7290, 7452, 7533, 7692, 8370, 8556, 8748, 9315, 9615, 10044, 10695, 10935, 11178, 11538, 12420, 12555, 12820, 12834, 14260, 14580, 14743, 15066, 16740, 16767, 17307, 18630, 19230, 19251, 19871, 21390, 21870, 22356, 22599, 23076, 25110, 25668, 27945, 28845, 29486, 30132, 32085, 33534, 34614, 37260, 37665, 38460, 38502, 39742, 42780, 43740, 44229, 45198, 50220, 50301, 51921, 55890, 57690, 57753, 58972, 59613, 64170, 67068, 67797, 69228, 73715, 75330, 77004, 79484, 83835, 86535, 88458, 90396, 96255, 99355, 100602, 103842, 111780, 112995, 115380, 115506, 119226, 128340, 132687, 135594, 147430, 150660, 155763, 167670, 173070, 173259, 176916, 178839, 192510, 198710, 201204, 207684, 221145, 225990, 231012, 238452, 251505, 259605, 265374, 271188, 288765, 294860, 298065, 311526, 335340, 338985, 346140, 346518, 357678, 385020, 397420, 398061, 442290, 451980, 457033, 467289, 503010, 519210, 519777, 530748, 536517, 577530, 596130, 623052, 663435, 677970, 693036, 715356, 778815, 796122, 866295, 884580, 894195, 914066, 934578, 1006020, 1038420, 1039554, 1073034, 1155060, 1192260, 1194183, 1326870, 1355940, 1371099, 1401867, 1557630, 1559331, 1592244, 1609551, 1732590, 1788390, 1828132, 1869156, 1990305, 2079108, 2146068, 2285165, 2336445, 2388366, 2598885, 2653740, 2682585, 2742198, 2803734, 3115260, 3118662, 3219102, 3465180, 3576780, 3582549, 3980610, 4113297, 4570330, 4672890, 4776732, 4828653, 5197770, 5365170, 5484396, 5607468, 5970915, 6237324, 6438204, 6855495, 7009335, 7165098, 7796655, 7961220, 8047755, 8226594, 9140660, 9345780, 9657306, 10395540, 10730340, 10747647, 11941830, 12339891, 13710990, 14018670, 14330196, 14485959, 15593310, 16095510, 16453188, 17912745, 19314612, 20566485, 21495294, 23883660, 24143265, 24679782, 27421980, 28037340, 28971918, 31186620, 32191020, 32242941, 35825490, 37019673, 41132970, 42990588, 43457877, 48286530, 49359564, 53738235, 57943836, 61699455, 64485882, 71650980, 72429795, 74039346, 82265940, 86915754, 96573060, 107476470, 111059019, 123398910, 128971764, 144859590, 148078692, 161214705, 173831508, 185098365, 214952940, 217289385, 222118038, 246797820, 289719180, 322429410, 333177057, 370196730, 434578770, 444236076, 555295095, 644858820, 666354114, 740393460, 869157540, 999531171, 1110590190, 1332708228, 1665885285, 1999062342, 2221180380, 3331770570, 3998124684, 4997655855, 6663541140, 9995311710, 19990623420]

約数ペア:

[(1, 19990623420), (2, 9995311710), (3, 6663541140), (4, 4997655855), (5, 3998124684), (6, 3331770570), (9, 2221180380), (10, 1999062342), (12, 1665885285), (15, 1332708228), (18, 1110590190), (20, 999531171), (23, 869157540), (27, 740393460), (30, 666354114), (31, 644858820), (36, 555295095), (45, 444236076), (46, 434578770), (54, 370196730), (60, 333177057), (62, 322429410), (69, 289719180), (81, 246797820), (90, 222118038), (92, 217289385), (93, 214952940), (108, 185098365), (115, 173831508), (124, 161214705), (135, 148078692), (138, 144859590), (155, 128971764), (162, 123398910), (180, 111059019), (186, 107476470), (207, 96573060), (230, 86915754), (243, 82265940), (270, 74039346), (276, 72429795), (279, 71650980), (310, 64485882), (324, 61699455), (345, 57943836), (372, 53738235), (405, 49359564), (414, 48286530), (460, 43457877), (465, 42990588), (486, 41132970), (540, 37019673), (558, 35825490), (620, 32242941), (621, 32191020), (641, 31186620), (690, 28971918), (713, 28037340), (729, 27421980), (810, 24679782), (828, 24143265), (837, 23883660), (930, 21495294), (972, 20566485), (1035, 19314612), (1116, 17912745), (1215, 16453188), (1242, 16095510), (1282, 15593310), (1380, 14485959), (1395, 14330196), (1426, 14018670), (1458, 13710990), (1620, 12339891), (1674, 11941830), (1860, 10747647), (1863, 10730340), (1923, 10395540), (2070, 9657306), (2139, 9345780), (2187, 9140660), (2430, 8226594), (2484, 8047755), (2511, 7961220), (2564, 7796655), (2790, 7165098), (2852, 7009335), (2916, 6855495), (3105, 6438204), (3205, 6237324), (3348, 5970915), (3565, 5607468), (3645, 5484396), (3726, 5365170), (3846, 5197770), (4140, 4828653), (4185, 4776732), (4278, 4672890), (4374, 4570330), (4860, 4113297), (5022, 3980610), (5580, 3582549), (5589, 3576780), (5769, 3465180), (6210, 3219102), (6410, 3118662), (6417, 3115260), (7130, 2803734), (7290, 2742198), (7452, 2682585), (7533, 2653740), (7692, 2598885), (8370, 2388366), (8556, 2336445), (8748, 2285165), (9315, 2146068), (9615, 2079108), (10044, 1990305), (10695, 1869156), (10935, 1828132), (11178, 1788390), (11538, 1732590), (12420, 1609551), (12555, 1592244), (12820, 1559331), (12834, 1557630), (14260, 1401867), (14580, 1371099), (14743, 1355940), (15066, 1326870), (16740, 1194183), (16767, 1192260), (17307, 1155060), (18630, 1073034), (19230, 1039554), (19251, 1038420), (19871, 1006020), (21390, 934578), (21870, 914066), (22356, 894195), (22599, 884580), (23076, 866295), (25110, 796122), (25668, 778815), (27945, 715356), (28845, 693036), (29486, 677970), (30132, 663435), (32085, 623052), (33534, 596130), (34614, 577530), (37260, 536517), (37665, 530748), (38460, 519777), (38502, 519210), (39742, 503010), (42780, 467289), (43740, 457033), (44229, 451980), (45198, 442290), (50220, 398061), (50301, 397420), (51921, 385020), (55890, 357678), (57690, 346518), (57753, 346140), (58972, 338985), (59613, 335340), (64170, 311526), (67068, 298065), (67797, 294860), (69228, 288765), (73715, 271188), (75330, 265374), (77004, 259605), (79484, 251505), (83835, 238452), (86535, 231012), (88458, 225990), (90396, 221145), (96255, 207684), (99355, 201204), (100602, 198710), (103842, 192510), (111780, 178839), (112995, 176916), (115380, 173259), (115506, 173070), (119226, 167670), (128340, 155763), (132687, 150660), (135594, 147430)]