31074420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{39839}}^1$

素因数の和:39864

約数の個数: 48

約数和(自身を含む): 93703680

約数和(自身を除く): 62629260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 39839, 79678, 119517, 159356, 199195, 239034, 398390, 478068, 517907, 597585, 796780, 1035814, 1195170, 1553721, 2071628, 2390340, 2589535, 3107442, 5179070, 6214884, 7768605, 10358140, 15537210, 31074420]

約数ペア:

[(1, 31074420), (2, 15537210), (3, 10358140), (4, 7768605), (5, 6214884), (6, 5179070), (10, 3107442), (12, 2589535), (13, 2390340), (15, 2071628), (20, 1553721), (26, 1195170), (30, 1035814), (39, 796780), (52, 597585), (60, 517907), (65, 478068), (78, 398390), (130, 239034), (156, 199195), (195, 159356), (260, 119517), (390, 79678), (780, 39839)]