31617280

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1453}}^1$

素因数の和:1491

約数の個数: 72

約数和(自身を含む): 80243352

約数和(自身を除く): 48626072

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 1453, 2176, 2720, 2906, 4352, 5440, 5812, 7265, 10880, 11624, 14530, 21760, 23248, 24701, 29060, 46496, 49402, 58120, 92992, 98804, 116240, 123505, 185984, 197608, 232480, 247010, 371968, 395216, 464960, 494020, 790432, 929920, 988040, 1580864, 1859840, 1976080, 3161728, 3952160, 6323456, 7904320, 15808640, 31617280]

約数ペア:

[(1, 31617280), (2, 15808640), (4, 7904320), (5, 6323456), (8, 3952160), (10, 3161728), (16, 1976080), (17, 1859840), (20, 1580864), (32, 988040), (34, 929920), (40, 790432), (64, 494020), (68, 464960), (80, 395216), (85, 371968), (128, 247010), (136, 232480), (160, 197608), (170, 185984), (256, 123505), (272, 116240), (320, 98804), (340, 92992), (544, 58120), (640, 49402), (680, 46496), (1088, 29060), (1280, 24701), (1360, 23248), (1453, 21760), (2176, 14530), (2720, 11624), (2906, 10880), (4352, 7265), (5440, 5812)]