80286920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:303

約数の個数: 128

約数和(自身を含む): 222082560

約数和(自身を除く): 141795640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 101, 119, 136, 140, 167, 170, 202, 238, 280, 334, 340, 404, 476, 505, 595, 668, 680, 707, 808, 835, 952, 1010, 1169, 1190, 1336, 1414, 1670, 1717, 2020, 2338, 2380, 2828, 2839, 3340, 3434, 3535, 4040, 4676, 4760, 5656, 5678, 5845, 6680, 6868, 7070, 8585, 9352, 11356, 11690, 12019, 13736, 14140, 14195, 16867, 17170, 19873, 22712, 23380, 24038, 28280, 28390, 33734, 34340, 39746, 46760, 48076, 56780, 60095, 67468, 68680, 79492, 84335, 96152, 99365, 113560, 118069, 120190, 134936, 158984, 168670, 198730, 236138, 240380, 286739, 337340, 397460, 472276, 480760, 573478, 590345, 674680, 794920, 944552, 1146956, 1180690, 1433695, 2007173, 2293912, 2361380, 2867390, 4014346, 4722760, 5734780, 8028692, 10035865, 11469560, 16057384, 20071730, 40143460, 80286920]

約数ペア:

[(1, 80286920), (2, 40143460), (4, 20071730), (5, 16057384), (7, 11469560), (8, 10035865), (10, 8028692), (14, 5734780), (17, 4722760), (20, 4014346), (28, 2867390), (34, 2361380), (35, 2293912), (40, 2007173), (56, 1433695), (68, 1180690), (70, 1146956), (85, 944552), (101, 794920), (119, 674680), (136, 590345), (140, 573478), (167, 480760), (170, 472276), (202, 397460), (238, 337340), (280, 286739), (334, 240380), (340, 236138), (404, 198730), (476, 168670), (505, 158984), (595, 134936), (668, 120190), (680, 118069), (707, 113560), (808, 99365), (835, 96152), (952, 84335), (1010, 79492), (1169, 68680), (1190, 67468), (1336, 60095), (1414, 56780), (1670, 48076), (1717, 46760), (2020, 39746), (2338, 34340), (2380, 33734), (2828, 28390), (2839, 28280), (3340, 24038), (3434, 23380), (3535, 22712), (4040, 19873), (4676, 17170), (4760, 16867), (5656, 14195), (5678, 14140), (5845, 13736), (6680, 12019), (6868, 11690), (7070, 11356), (8585, 9352)]