155656760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{617}}^1$

素因数の和:705

約数の個数: 128

約数和(自身を含む): 432501120

約数和(自身を除く): 276844360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 53, 56, 68, 70, 85, 106, 119, 136, 140, 170, 212, 238, 265, 280, 340, 371, 424, 476, 530, 595, 617, 680, 742, 901, 952, 1060, 1190, 1234, 1484, 1802, 1855, 2120, 2380, 2468, 2968, 3085, 3604, 3710, 4319, 4505, 4760, 4936, 6170, 6307, 7208, 7420, 8638, 9010, 10489, 12340, 12614, 14840, 17276, 18020, 20978, 21595, 24680, 25228, 31535, 32701, 34552, 36040, 41956, 43190, 50456, 52445, 63070, 65402, 73423, 83912, 86380, 104890, 126140, 130804, 146846, 163505, 172760, 209780, 228907, 252280, 261608, 293692, 327010, 367115, 419560, 457814, 555917, 587384, 654020, 734230, 915628, 1111834, 1144535, 1308040, 1468460, 1831256, 2223668, 2289070, 2779585, 2936920, 3891419, 4447336, 4578140, 5559170, 7782838, 9156280, 11118340, 15565676, 19457095, 22236680, 31131352, 38914190, 77828380, 155656760]

約数ペア:

[(1, 155656760), (2, 77828380), (4, 38914190), (5, 31131352), (7, 22236680), (8, 19457095), (10, 15565676), (14, 11118340), (17, 9156280), (20, 7782838), (28, 5559170), (34, 4578140), (35, 4447336), (40, 3891419), (53, 2936920), (56, 2779585), (68, 2289070), (70, 2223668), (85, 1831256), (106, 1468460), (119, 1308040), (136, 1144535), (140, 1111834), (170, 915628), (212, 734230), (238, 654020), (265, 587384), (280, 555917), (340, 457814), (371, 419560), (424, 367115), (476, 327010), (530, 293692), (595, 261608), (617, 252280), (680, 228907), (742, 209780), (901, 172760), (952, 163505), (1060, 146846), (1190, 130804), (1234, 126140), (1484, 104890), (1802, 86380), (1855, 83912), (2120, 73423), (2380, 65402), (2468, 63070), (2968, 52445), (3085, 50456), (3604, 43190), (3710, 41956), (4319, 36040), (4505, 34552), (4760, 32701), (4936, 31535), (6170, 25228), (6307, 24680), (7208, 21595), (7420, 20978), (8638, 18020), (9010, 17276), (10489, 14840), (12340, 12614)]