161780490160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2876609}}^1$

素因数の和:2876678

約数の個数: 80

約数和(自身を含む): 406637589600

約数和(自身を除く): 244857099440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 370, 380, 592, 703, 740, 760, 1406, 1480, 1520, 2812, 2960, 3515, 5624, 7030, 11248, 14060, 28120, 56240, 2876609, 5753218, 11506436, 14383045, 23012872, 28766090, 46025744, 54655571, 57532180, 106434533, 109311142, 115064360, 212869066, 218622284, 230128720, 273277855, 425738132, 437244568, 532172665, 546555710, 851476264, 874489136, 1064345330, 1093111420, 1702952528, 2022256127, 2128690660, 2186222840, 4044512254, 4257381320, 4372445680, 8089024508, 8514762640, 10111280635, 16178049016, 20222561270, 32356098032, 40445122540, 80890245080, 161780490160]

約数ペア:

[(1, 161780490160), (2, 80890245080), (4, 40445122540), (5, 32356098032), (8, 20222561270), (10, 16178049016), (16, 10111280635), (19, 8514762640), (20, 8089024508), (37, 4372445680), (38, 4257381320), (40, 4044512254), (74, 2186222840), (76, 2128690660), (80, 2022256127), (95, 1702952528), (148, 1093111420), (152, 1064345330), (185, 874489136), (190, 851476264), (296, 546555710), (304, 532172665), (370, 437244568), (380, 425738132), (592, 273277855), (703, 230128720), (740, 218622284), (760, 212869066), (1406, 115064360), (1480, 109311142), (1520, 106434533), (2812, 57532180), (2960, 54655571), (3515, 46025744), (5624, 28766090), (7030, 23012872), (11248, 14383045), (14060, 11506436), (28120, 5753218), (56240, 2876609)]