317143120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1087}}^1$

素因数の和:1628

約数の個数: 80

約数和(自身を含む): 845088768

約数和(自身を除く): 527945648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 521, 560, 1042, 1087, 2084, 2174, 2605, 3647, 4168, 4348, 5210, 5435, 7294, 7609, 8336, 8696, 10420, 10870, 14588, 15218, 17392, 18235, 20840, 21740, 29176, 30436, 36470, 38045, 41680, 43480, 58352, 60872, 72940, 76090, 86960, 121744, 145880, 152180, 291760, 304360, 566327, 608720, 1132654, 2265308, 2831635, 3964289, 4530616, 5663270, 7928578, 9061232, 11326540, 15857156, 19821445, 22653080, 31714312, 39642890, 45306160, 63428624, 79285780, 158571560, 317143120]

約数ペア:

[(1, 317143120), (2, 158571560), (4, 79285780), (5, 63428624), (7, 45306160), (8, 39642890), (10, 31714312), (14, 22653080), (16, 19821445), (20, 15857156), (28, 11326540), (35, 9061232), (40, 7928578), (56, 5663270), (70, 4530616), (80, 3964289), (112, 2831635), (140, 2265308), (280, 1132654), (521, 608720), (560, 566327), (1042, 304360), (1087, 291760), (2084, 152180), (2174, 145880), (2605, 121744), (3647, 86960), (4168, 76090), (4348, 72940), (5210, 60872), (5435, 58352), (7294, 43480), (7609, 41680), (8336, 38045), (8696, 36470), (10420, 30436), (10870, 29176), (14588, 21740), (15218, 20840), (17392, 18235)]