156914394320

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1471}}^1\times {\mathrm{21859}}^1$

素因数の和:23404

約数の個数: 80

約数和(自身を含む): 371075773440

約数和(自身を除く): 214161379120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 1471, 2440, 2942, 4880, 5884, 7355, 11768, 14710, 21859, 23536, 29420, 43718, 58840, 87436, 89731, 109295, 117680, 174872, 179462, 218590, 349744, 358924, 437180, 448655, 717848, 874360, 897310, 1333399, 1435696, 1748720, 1794620, 2666798, 3589240, 5333596, 6666995, 7178480, 10667192, 13333990, 21334384, 26667980, 32154589, 53335960, 64309178, 106671920, 128618356, 160772945, 257236712, 321545890, 514473424, 643091780, 1286183560, 1961429929, 2572367120, 3922859858, 7845719716, 9807149645, 15691439432, 19614299290, 31382878864, 39228598580, 78457197160, 156914394320]

約数ペア:

[(1, 156914394320), (2, 78457197160), (4, 39228598580), (5, 31382878864), (8, 19614299290), (10, 15691439432), (16, 9807149645), (20, 7845719716), (40, 3922859858), (61, 2572367120), (80, 1961429929), (122, 1286183560), (244, 643091780), (305, 514473424), (488, 321545890), (610, 257236712), (976, 160772945), (1220, 128618356), (1471, 106671920), (2440, 64309178), (2942, 53335960), (4880, 32154589), (5884, 26667980), (7355, 21334384), (11768, 13333990), (14710, 10667192), (21859, 7178480), (23536, 6666995), (29420, 5333596), (43718, 3589240), (58840, 2666798), (87436, 1794620), (89731, 1748720), (109295, 1435696), (117680, 1333399), (174872, 897310), (179462, 874360), (218590, 717848), (349744, 448655), (358924, 437180)]