30525080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 71884800

約数和(自身を除く): 41359720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 103, 124, 155, 206, 239, 248, 310, 412, 478, 515, 620, 824, 956, 1030, 1195, 1240, 1912, 2060, 2390, 3193, 4120, 4780, 6386, 7409, 9560, 12772, 14818, 15965, 24617, 25544, 29636, 31930, 37045, 49234, 59272, 63860, 74090, 98468, 123085, 127720, 148180, 196936, 246170, 296360, 492340, 763127, 984680, 1526254, 3052508, 3815635, 6105016, 7631270, 15262540, 30525080]

約数ペア:

[(1, 30525080), (2, 15262540), (4, 7631270), (5, 6105016), (8, 3815635), (10, 3052508), (20, 1526254), (31, 984680), (40, 763127), (62, 492340), (103, 296360), (124, 246170), (155, 196936), (206, 148180), (239, 127720), (248, 123085), (310, 98468), (412, 74090), (478, 63860), (515, 59272), (620, 49234), (824, 37045), (956, 31930), (1030, 29636), (1195, 25544), (1240, 24617), (1912, 15965), (2060, 14818), (2390, 12772), (3193, 9560), (4120, 7409), (4780, 6386)]