123576540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 374599680

約数和(自身を除く): 251023140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 31, 58, 60, 62, 79, 87, 93, 116, 124, 145, 155, 158, 174, 186, 237, 290, 310, 316, 348, 372, 395, 435, 465, 474, 580, 620, 790, 841, 870, 899, 930, 948, 1185, 1580, 1682, 1740, 1798, 1860, 2291, 2370, 2449, 2523, 2697, 3364, 3596, 4205, 4495, 4582, 4740, 4898, 5046, 5394, 6873, 7347, 8410, 8990, 9164, 9796, 10092, 10788, 11455, 12245, 12615, 13485, 13746, 14694, 16820, 17980, 22910, 24490, 25230, 26071, 26970, 27492, 29388, 34365, 36735, 45820, 48980, 50460, 52142, 53940, 66439, 68730, 71021, 73470, 78213, 104284, 130355, 132878, 137460, 142042, 146940, 156426, 199317, 213063, 260710, 265756, 284084, 312852, 332195, 355105, 391065, 398634, 426126, 521420, 664390, 710210, 782130, 797268, 852252, 996585, 1065315, 1328780, 1420420, 1564260, 1993170, 2059609, 2130630, 3986340, 4119218, 4261260, 6178827, 8238436, 10298045, 12357654, 20596090, 24715308, 30894135, 41192180, 61788270, 123576540]

約数ペア:

[(1, 123576540), (2, 61788270), (3, 41192180), (4, 30894135), (5, 24715308), (6, 20596090), (10, 12357654), (12, 10298045), (15, 8238436), (20, 6178827), (29, 4261260), (30, 4119218), (31, 3986340), (58, 2130630), (60, 2059609), (62, 1993170), (79, 1564260), (87, 1420420), (93, 1328780), (116, 1065315), (124, 996585), (145, 852252), (155, 797268), (158, 782130), (174, 710210), (186, 664390), (237, 521420), (290, 426126), (310, 398634), (316, 391065), (348, 355105), (372, 332195), (395, 312852), (435, 284084), (465, 265756), (474, 260710), (580, 213063), (620, 199317), (790, 156426), (841, 146940), (870, 142042), (899, 137460), (930, 132878), (948, 130355), (1185, 104284), (1580, 78213), (1682, 73470), (1740, 71021), (1798, 68730), (1860, 66439), (2291, 53940), (2370, 52142), (2449, 50460), (2523, 48980), (2697, 45820), (3364, 36735), (3596, 34365), (4205, 29388), (4495, 27492), (4582, 26970), (4740, 26071), (4898, 25230), (5046, 24490), (5394, 22910), (6873, 17980), (7347, 16820), (8410, 14694), (8990, 13746), (9164, 13485), (9796, 12615), (10092, 12245), (10788, 11455)]