1357280

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1$

素因数の和:531

約数の個数: 48

約数和(自身を含む): 3402000

約数和(自身を除く): 2044720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 499, 544, 680, 998, 1360, 1996, 2495, 2720, 3992, 4990, 7984, 8483, 9980, 15968, 16966, 19960, 33932, 39920, 42415, 67864, 79840, 84830, 135728, 169660, 271456, 339320, 678640, 1357280]

約数ペア:

[(1, 1357280), (2, 678640), (4, 339320), (5, 271456), (8, 169660), (10, 135728), (16, 84830), (17, 79840), (20, 67864), (32, 42415), (34, 39920), (40, 33932), (68, 19960), (80, 16966), (85, 15968), (136, 9980), (160, 8483), (170, 7984), (272, 4990), (340, 3992), (499, 2720), (544, 2495), (680, 1996), (998, 1360)]