31375920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{547}}^1$

素因数の和:802

約数の個数: 80

約数和(自身を含む): 97850880

約数和(自身を除く): 66474960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 239, 240, 478, 547, 717, 956, 1094, 1195, 1434, 1641, 1912, 2188, 2390, 2735, 2868, 3282, 3585, 3824, 4376, 4780, 5470, 5736, 6564, 7170, 8205, 8752, 9560, 10940, 11472, 13128, 14340, 16410, 19120, 21880, 26256, 28680, 32820, 43760, 57360, 65640, 130733, 131280, 261466, 392199, 522932, 653665, 784398, 1045864, 1307330, 1568796, 1960995, 2091728, 2614660, 3137592, 3921990, 5229320, 6275184, 7843980, 10458640, 15687960, 31375920]

約数ペア:

[(1, 31375920), (2, 15687960), (3, 10458640), (4, 7843980), (5, 6275184), (6, 5229320), (8, 3921990), (10, 3137592), (12, 2614660), (15, 2091728), (16, 1960995), (20, 1568796), (24, 1307330), (30, 1045864), (40, 784398), (48, 653665), (60, 522932), (80, 392199), (120, 261466), (239, 131280), (240, 130733), (478, 65640), (547, 57360), (717, 43760), (956, 32820), (1094, 28680), (1195, 26256), (1434, 21880), (1641, 19120), (1912, 16410), (2188, 14340), (2390, 13128), (2735, 11472), (2868, 10940), (3282, 9560), (3585, 8752), (3824, 8205), (4376, 7170), (4780, 6564), (5470, 5736)]