257623740

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:175

約数の個数: 288

約数和(自身を含む): 909941760

約数和(自身を除く): 652318020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 61, 66, 79, 81, 90, 99, 108, 110, 122, 132, 135, 158, 162, 165, 180, 183, 198, 220, 237, 243, 244, 270, 297, 305, 316, 324, 330, 366, 395, 396, 405, 474, 486, 495, 540, 549, 594, 610, 660, 671, 711, 732, 790, 810, 869, 891, 915, 948, 972, 990, 1098, 1185, 1188, 1215, 1220, 1342, 1422, 1485, 1580, 1620, 1647, 1738, 1782, 1830, 1980, 2013, 2133, 2196, 2370, 2430, 2607, 2673, 2684, 2745, 2844, 2970, 3294, 3355, 3476, 3555, 3564, 3660, 4026, 4266, 4345, 4455, 4740, 4819, 4860, 4941, 5214, 5346, 5490, 5940, 6039, 6399, 6588, 6710, 7110, 7821, 8052, 8235, 8532, 8690, 8910, 9638, 9882, 10065, 10428, 10665, 10692, 10980, 12078, 12798, 13035, 13365, 13420, 14220, 14457, 14823, 15642, 16470, 17380, 17820, 18117, 19197, 19276, 19764, 20130, 21330, 23463, 24095, 24156, 24705, 25596, 26070, 26730, 28914, 29646, 30195, 31284, 31995, 32940, 36234, 38394, 39105, 40260, 42660, 43371, 46926, 48190, 49410, 52140, 53009, 53460, 54351, 57828, 59292, 60390, 63990, 70389, 72285, 72468, 74115, 76788, 78210, 86742, 90585, 93852, 95985, 96380, 98820, 106018, 108702, 117315, 120780, 127980, 130113, 140778, 144570, 148230, 156420, 159027, 163053, 173484, 181170, 191970, 211167, 212036, 216855, 217404, 234630, 260226, 265045, 271755, 281556, 289140, 296460, 318054, 326106, 351945, 362340, 383940, 390339, 422334, 433710, 469260, 477081, 520452, 530090, 543510, 636108, 650565, 652212, 703890, 780678, 795135, 815265, 844668, 867420, 954162, 1055835, 1060180, 1087020, 1171017, 1301130, 1407780, 1431243, 1561356, 1590270, 1630530, 1908324, 1951695, 2111670, 2342034, 2385405, 2602260, 2862486, 3180540, 3261060, 3903390, 4223340, 4293729, 4684068, 4770810, 5724972, 5855085, 7156215, 7806780, 8587458, 9541620, 11710170, 12881187, 14312430, 17174916, 21468645, 23420340, 25762374, 28624860, 42937290, 51524748, 64405935, 85874580, 128811870, 257623740]

約数ペア:

[(1, 257623740), (2, 128811870), (3, 85874580), (4, 64405935), (5, 51524748), (6, 42937290), (9, 28624860), (10, 25762374), (11, 23420340), (12, 21468645), (15, 17174916), (18, 14312430), (20, 12881187), (22, 11710170), (27, 9541620), (30, 8587458), (33, 7806780), (36, 7156215), (44, 5855085), (45, 5724972), (54, 4770810), (55, 4684068), (60, 4293729), (61, 4223340), (66, 3903390), (79, 3261060), (81, 3180540), (90, 2862486), (99, 2602260), (108, 2385405), (110, 2342034), (122, 2111670), (132, 1951695), (135, 1908324), (158, 1630530), (162, 1590270), (165, 1561356), (180, 1431243), (183, 1407780), (198, 1301130), (220, 1171017), (237, 1087020), (243, 1060180), (244, 1055835), (270, 954162), (297, 867420), (305, 844668), (316, 815265), (324, 795135), (330, 780678), (366, 703890), (395, 652212), (396, 650565), (405, 636108), (474, 543510), (486, 530090), (495, 520452), (540, 477081), (549, 469260), (594, 433710), (610, 422334), (660, 390339), (671, 383940), (711, 362340), (732, 351945), (790, 326106), (810, 318054), (869, 296460), (891, 289140), (915, 281556), (948, 271755), (972, 265045), (990, 260226), (1098, 234630), (1185, 217404), (1188, 216855), (1215, 212036), (1220, 211167), (1342, 191970), (1422, 181170), (1485, 173484), (1580, 163053), (1620, 159027), (1647, 156420), (1738, 148230), (1782, 144570), (1830, 140778), (1980, 130113), (2013, 127980), (2133, 120780), (2196, 117315), (2370, 108702), (2430, 106018), (2607, 98820), (2673, 96380), (2684, 95985), (2745, 93852), (2844, 90585), (2970, 86742), (3294, 78210), (3355, 76788), (3476, 74115), (3555, 72468), (3564, 72285), (3660, 70389), (4026, 63990), (4266, 60390), (4345, 59292), (4455, 57828), (4740, 54351), (4819, 53460), (4860, 53009), (4941, 52140), (5214, 49410), (5346, 48190), (5490, 46926), (5940, 43371), (6039, 42660), (6399, 40260), (6588, 39105), (6710, 38394), (7110, 36234), (7821, 32940), (8052, 31995), (8235, 31284), (8532, 30195), (8690, 29646), (8910, 28914), (9638, 26730), (9882, 26070), (10065, 25596), (10428, 24705), (10665, 24156), (10692, 24095), (10980, 23463), (12078, 21330), (12798, 20130), (13035, 19764), (13365, 19276), (13420, 19197), (14220, 18117), (14457, 17820), (14823, 17380), (15642, 16470)]