74897820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1741}}^1$

素因数の和:1995

約数の個数: 72

約数和(自身を含む): 228271680

約数和(自身を除く): 153373860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 956, 1195, 1434, 1741, 2151, 2390, 2868, 3482, 3585, 4302, 4780, 5223, 6964, 7170, 8604, 8705, 10446, 10755, 14340, 15669, 17410, 20892, 21510, 26115, 31338, 34820, 43020, 52230, 62676, 78345, 104460, 156690, 313380, 416099, 832198, 1248297, 1664396, 2080495, 2496594, 3744891, 4160990, 4993188, 6241485, 7489782, 8321980, 12482970, 14979564, 18724455, 24965940, 37448910, 74897820]

約数ペア:

[(1, 74897820), (2, 37448910), (3, 24965940), (4, 18724455), (5, 14979564), (6, 12482970), (9, 8321980), (10, 7489782), (12, 6241485), (15, 4993188), (18, 4160990), (20, 3744891), (30, 2496594), (36, 2080495), (45, 1664396), (60, 1248297), (90, 832198), (180, 416099), (239, 313380), (478, 156690), (717, 104460), (956, 78345), (1195, 62676), (1434, 52230), (1741, 43020), (2151, 34820), (2390, 31338), (2868, 26115), (3482, 21510), (3585, 20892), (4302, 17410), (4780, 15669), (5223, 14340), (6964, 10755), (7170, 10446), (8604, 8705)]