55872540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:113

約数の個数: 216

約数和(自身を含む): 195184080

約数和(自身を除く): 139311540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 31, 34, 36, 38, 45, 51, 57, 60, 62, 68, 76, 85, 90, 93, 95, 102, 114, 124, 153, 155, 170, 171, 180, 186, 190, 204, 228, 255, 279, 285, 306, 310, 323, 340, 342, 372, 380, 465, 510, 527, 558, 570, 589, 612, 620, 646, 684, 765, 855, 930, 961, 969, 1020, 1054, 1116, 1140, 1178, 1292, 1395, 1530, 1581, 1615, 1710, 1767, 1860, 1922, 1938, 2108, 2356, 2635, 2790, 2883, 2907, 2945, 3060, 3162, 3230, 3420, 3534, 3844, 3876, 4743, 4805, 4845, 5270, 5301, 5580, 5766, 5814, 5890, 6324, 6460, 7068, 7905, 8649, 8835, 9486, 9610, 9690, 10013, 10540, 10602, 11532, 11628, 11780, 14415, 14535, 15810, 16337, 17298, 17670, 18259, 18972, 19220, 19380, 20026, 21204, 23715, 26505, 28830, 29070, 30039, 31620, 32674, 34596, 35340, 36518, 40052, 43245, 47430, 49011, 50065, 53010, 54777, 57660, 58140, 60078, 65348, 73036, 81685, 86490, 90117, 91295, 94860, 98022, 100130, 106020, 109554, 120156, 147033, 150195, 163370, 164331, 172980, 180234, 182590, 196044, 200260, 219108, 245055, 273885, 294066, 300390, 310403, 326740, 328662, 360468, 365180, 450585, 490110, 547770, 588132, 600780, 620806, 657324, 735165, 821655, 901170, 931209, 980220, 1095540, 1241612, 1470330, 1552015, 1643310, 1802340, 1862418, 2793627, 2940660, 3104030, 3286620, 3724836, 4656045, 5587254, 6208060, 9312090, 11174508, 13968135, 18624180, 27936270, 55872540]

約数ペア:

[(1, 55872540), (2, 27936270), (3, 18624180), (4, 13968135), (5, 11174508), (6, 9312090), (9, 6208060), (10, 5587254), (12, 4656045), (15, 3724836), (17, 3286620), (18, 3104030), (19, 2940660), (20, 2793627), (30, 1862418), (31, 1802340), (34, 1643310), (36, 1552015), (38, 1470330), (45, 1241612), (51, 1095540), (57, 980220), (60, 931209), (62, 901170), (68, 821655), (76, 735165), (85, 657324), (90, 620806), (93, 600780), (95, 588132), (102, 547770), (114, 490110), (124, 450585), (153, 365180), (155, 360468), (170, 328662), (171, 326740), (180, 310403), (186, 300390), (190, 294066), (204, 273885), (228, 245055), (255, 219108), (279, 200260), (285, 196044), (306, 182590), (310, 180234), (323, 172980), (340, 164331), (342, 163370), (372, 150195), (380, 147033), (465, 120156), (510, 109554), (527, 106020), (558, 100130), (570, 98022), (589, 94860), (612, 91295), (620, 90117), (646, 86490), (684, 81685), (765, 73036), (855, 65348), (930, 60078), (961, 58140), (969, 57660), (1020, 54777), (1054, 53010), (1116, 50065), (1140, 49011), (1178, 47430), (1292, 43245), (1395, 40052), (1530, 36518), (1581, 35340), (1615, 34596), (1710, 32674), (1767, 31620), (1860, 30039), (1922, 29070), (1938, 28830), (2108, 26505), (2356, 23715), (2635, 21204), (2790, 20026), (2883, 19380), (2907, 19220), (2945, 18972), (3060, 18259), (3162, 17670), (3230, 17298), (3420, 16337), (3534, 15810), (3844, 14535), (3876, 14415), (4743, 11780), (4805, 11628), (4845, 11532), (5270, 10602), (5301, 10540), (5580, 10013), (5766, 9690), (5814, 9610), (5890, 9486), (6324, 8835), (6460, 8649), (7068, 7905)]