1559920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:98

約数の個数: 80

約数和(自身を含む): 4071168

約数和(自身を除く): 2511248

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 37, 40, 62, 68, 74, 80, 85, 124, 136, 148, 155, 170, 185, 248, 272, 296, 310, 340, 370, 496, 527, 592, 620, 629, 680, 740, 1054, 1147, 1240, 1258, 1360, 1480, 2108, 2294, 2480, 2516, 2635, 2960, 3145, 4216, 4588, 5032, 5270, 5735, 6290, 8432, 9176, 10064, 10540, 11470, 12580, 18352, 19499, 21080, 22940, 25160, 38998, 42160, 45880, 50320, 77996, 91760, 97495, 155992, 194990, 311984, 389980, 779960, 1559920]

約数ペア:

[(1, 1559920), (2, 779960), (4, 389980), (5, 311984), (8, 194990), (10, 155992), (16, 97495), (17, 91760), (20, 77996), (31, 50320), (34, 45880), (37, 42160), (40, 38998), (62, 25160), (68, 22940), (74, 21080), (80, 19499), (85, 18352), (124, 12580), (136, 11470), (148, 10540), (155, 10064), (170, 9176), (185, 8432), (248, 6290), (272, 5735), (296, 5270), (310, 5032), (340, 4588), (370, 4216), (496, 3145), (527, 2960), (592, 2635), (620, 2516), (629, 2480), (680, 2294), (740, 2108), (1054, 1480), (1147, 1360), (1240, 1258)]