311313520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{617}}^1$

素因数の和:707

約数の個数: 160

約数和(自身を含む): 893835648

約数和(自身を除く): 582522128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 53, 56, 68, 70, 80, 85, 106, 112, 119, 136, 140, 170, 212, 238, 265, 272, 280, 340, 371, 424, 476, 530, 560, 595, 617, 680, 742, 848, 901, 952, 1060, 1190, 1234, 1360, 1484, 1802, 1855, 1904, 2120, 2380, 2468, 2968, 3085, 3604, 3710, 4240, 4319, 4505, 4760, 4936, 5936, 6170, 6307, 7208, 7420, 8638, 9010, 9520, 9872, 10489, 12340, 12614, 14416, 14840, 17276, 18020, 20978, 21595, 24680, 25228, 29680, 31535, 32701, 34552, 36040, 41956, 43190, 49360, 50456, 52445, 63070, 65402, 69104, 72080, 73423, 83912, 86380, 100912, 104890, 126140, 130804, 146846, 163505, 167824, 172760, 209780, 228907, 252280, 261608, 293692, 327010, 345520, 367115, 419560, 457814, 504560, 523216, 555917, 587384, 654020, 734230, 839120, 915628, 1111834, 1144535, 1174768, 1308040, 1468460, 1831256, 2223668, 2289070, 2616080, 2779585, 2936920, 3662512, 3891419, 4447336, 4578140, 5559170, 5873840, 7782838, 8894672, 9156280, 11118340, 15565676, 18312560, 19457095, 22236680, 31131352, 38914190, 44473360, 62262704, 77828380, 155656760, 311313520]

約数ペア:

[(1, 311313520), (2, 155656760), (4, 77828380), (5, 62262704), (7, 44473360), (8, 38914190), (10, 31131352), (14, 22236680), (16, 19457095), (17, 18312560), (20, 15565676), (28, 11118340), (34, 9156280), (35, 8894672), (40, 7782838), (53, 5873840), (56, 5559170), (68, 4578140), (70, 4447336), (80, 3891419), (85, 3662512), (106, 2936920), (112, 2779585), (119, 2616080), (136, 2289070), (140, 2223668), (170, 1831256), (212, 1468460), (238, 1308040), (265, 1174768), (272, 1144535), (280, 1111834), (340, 915628), (371, 839120), (424, 734230), (476, 654020), (530, 587384), (560, 555917), (595, 523216), (617, 504560), (680, 457814), (742, 419560), (848, 367115), (901, 345520), (952, 327010), (1060, 293692), (1190, 261608), (1234, 252280), (1360, 228907), (1484, 209780), (1802, 172760), (1855, 167824), (1904, 163505), (2120, 146846), (2380, 130804), (2468, 126140), (2968, 104890), (3085, 100912), (3604, 86380), (3710, 83912), (4240, 73423), (4319, 72080), (4505, 69104), (4760, 65402), (4936, 63070), (5936, 52445), (6170, 50456), (6307, 49360), (7208, 43190), (7420, 41956), (8638, 36040), (9010, 34552), (9520, 32701), (9872, 31535), (10489, 29680), (12340, 25228), (12614, 24680), (14416, 21595), (14840, 20978), (17276, 18020)]