51822420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{79}}^1$

素因数の和:162

約数の個数: 144

約数和(自身を含む): 163887360

約数和(自身を除く): 112064940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 29, 30, 39, 52, 58, 60, 65, 78, 79, 87, 116, 130, 145, 156, 158, 174, 195, 237, 260, 290, 316, 348, 377, 390, 395, 435, 474, 580, 754, 780, 790, 841, 870, 948, 1027, 1131, 1185, 1508, 1580, 1682, 1740, 1885, 2054, 2262, 2291, 2370, 2523, 3081, 3364, 3770, 4108, 4205, 4524, 4582, 4740, 5046, 5135, 5655, 6162, 6873, 7540, 8410, 9164, 10092, 10270, 10933, 11310, 11455, 12324, 12615, 13746, 15405, 16820, 20540, 21866, 22620, 22910, 25230, 27492, 29783, 30810, 32799, 34365, 43732, 45820, 50460, 54665, 59566, 61620, 65598, 66439, 68730, 89349, 109330, 119132, 131196, 132878, 137460, 148915, 163995, 178698, 199317, 218660, 265756, 297830, 327990, 332195, 357396, 398634, 446745, 595660, 655980, 664390, 797268, 863707, 893490, 996585, 1328780, 1727414, 1786980, 1993170, 2591121, 3454828, 3986340, 4318535, 5182242, 8637070, 10364484, 12955605, 17274140, 25911210, 51822420]

約数ペア:

[(1, 51822420), (2, 25911210), (3, 17274140), (4, 12955605), (5, 10364484), (6, 8637070), (10, 5182242), (12, 4318535), (13, 3986340), (15, 3454828), (20, 2591121), (26, 1993170), (29, 1786980), (30, 1727414), (39, 1328780), (52, 996585), (58, 893490), (60, 863707), (65, 797268), (78, 664390), (79, 655980), (87, 595660), (116, 446745), (130, 398634), (145, 357396), (156, 332195), (158, 327990), (174, 297830), (195, 265756), (237, 218660), (260, 199317), (290, 178698), (316, 163995), (348, 148915), (377, 137460), (390, 132878), (395, 131196), (435, 119132), (474, 109330), (580, 89349), (754, 68730), (780, 66439), (790, 65598), (841, 61620), (870, 59566), (948, 54665), (1027, 50460), (1131, 45820), (1185, 43732), (1508, 34365), (1580, 32799), (1682, 30810), (1740, 29783), (1885, 27492), (2054, 25230), (2262, 22910), (2291, 22620), (2370, 21866), (2523, 20540), (3081, 16820), (3364, 15405), (3770, 13746), (4108, 12615), (4205, 12324), (4524, 11455), (4582, 11310), (4740, 10933), (5046, 10270), (5135, 10092), (5655, 9164), (6162, 8410), (6873, 7540)]