15808640

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1453}}^1$

素因数の和:1489

約数の個数: 64

約数和(自身を含む): 40043160

約数和(自身を除く): 24234520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 1453, 2176, 2720, 2906, 5440, 5812, 7265, 10880, 11624, 14530, 23248, 24701, 29060, 46496, 49402, 58120, 92992, 98804, 116240, 123505, 185984, 197608, 232480, 247010, 395216, 464960, 494020, 790432, 929920, 988040, 1580864, 1976080, 3161728, 3952160, 7904320, 15808640]

約数ペア:

[(1, 15808640), (2, 7904320), (4, 3952160), (5, 3161728), (8, 1976080), (10, 1580864), (16, 988040), (17, 929920), (20, 790432), (32, 494020), (34, 464960), (40, 395216), (64, 247010), (68, 232480), (80, 197608), (85, 185984), (128, 123505), (136, 116240), (160, 98804), (170, 92992), (272, 58120), (320, 49402), (340, 46496), (544, 29060), (640, 24701), (680, 23248), (1088, 14530), (1360, 11624), (1453, 10880), (2176, 7265), (2720, 5812), (2906, 5440)]