261256555960

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{467}}^1\times {\mathrm{2029}}^1$

素因数の和:2681

約数の個数: 128

約数和(自身を含む): 604339444800

約数和(自身を除く): 343082888840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 113, 122, 226, 244, 305, 452, 467, 488, 565, 610, 904, 934, 1130, 1220, 1868, 2029, 2260, 2335, 2440, 3736, 4058, 4520, 4670, 6893, 8116, 9340, 10145, 13786, 16232, 18680, 20290, 27572, 28487, 34465, 40580, 52771, 55144, 56974, 68930, 81160, 105542, 113948, 123769, 137860, 142435, 211084, 227896, 229277, 247538, 263855, 275720, 284870, 422168, 458554, 495076, 527710, 569740, 618845, 917108, 947543, 990152, 1055420, 1139480, 1146385, 1237690, 1834216, 1895086, 2110840, 2292770, 2475380, 3219031, 3790172, 4585540, 4737715, 4950760, 6438062, 7580344, 9171080, 9475430, 12876124, 13985897, 16095155, 18950860, 25752248, 27971794, 32190310, 37901720, 55943588, 57800123, 64380620, 69929485, 107072359, 111887176, 115600246, 128761240, 139858970, 214144718, 231200492, 279717940, 289000615, 428289436, 462400984, 535361795, 559435880, 578001230, 856578872, 1070723590, 1156002460, 2141447180, 2312004920, 4282894360, 6531413899, 13062827798, 26125655596, 32657069495, 52251311192, 65314138990, 130628277980, 261256555960]

約数ペア:

[(1, 261256555960), (2, 130628277980), (4, 65314138990), (5, 52251311192), (8, 32657069495), (10, 26125655596), (20, 13062827798), (40, 6531413899), (61, 4282894360), (113, 2312004920), (122, 2141447180), (226, 1156002460), (244, 1070723590), (305, 856578872), (452, 578001230), (467, 559435880), (488, 535361795), (565, 462400984), (610, 428289436), (904, 289000615), (934, 279717940), (1130, 231200492), (1220, 214144718), (1868, 139858970), (2029, 128761240), (2260, 115600246), (2335, 111887176), (2440, 107072359), (3736, 69929485), (4058, 64380620), (4520, 57800123), (4670, 55943588), (6893, 37901720), (8116, 32190310), (9340, 27971794), (10145, 25752248), (13786, 18950860), (16232, 16095155), (18680, 13985897), (20290, 12876124), (27572, 9475430), (28487, 9171080), (34465, 7580344), (40580, 6438062), (52771, 4950760), (55144, 4737715), (56974, 4585540), (68930, 3790172), (81160, 3219031), (105542, 2475380), (113948, 2292770), (123769, 2110840), (137860, 1895086), (142435, 1834216), (211084, 1237690), (227896, 1146385), (229277, 1139480), (247538, 1055420), (263855, 990152), (275720, 947543), (284870, 917108), (422168, 618845), (458554, 569740), (495076, 527710)]