31461960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1097}}^1$

素因数の和:1350

約数の個数: 64

約数和(自身を含む): 94867200

約数和(自身を除く): 63405240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239, 478, 717, 956, 1097, 1195, 1434, 1912, 2194, 2390, 2868, 3291, 3585, 4388, 4780, 5485, 5736, 6582, 7170, 8776, 9560, 10970, 13164, 14340, 16455, 21940, 26328, 28680, 32910, 43880, 65820, 131640, 262183, 524366, 786549, 1048732, 1310915, 1573098, 2097464, 2621830, 3146196, 3932745, 5243660, 6292392, 7865490, 10487320, 15730980, 31461960]

約数ペア:

[(1, 31461960), (2, 15730980), (3, 10487320), (4, 7865490), (5, 6292392), (6, 5243660), (8, 3932745), (10, 3146196), (12, 2621830), (15, 2097464), (20, 1573098), (24, 1310915), (30, 1048732), (40, 786549), (60, 524366), (120, 262183), (239, 131640), (478, 65820), (717, 43880), (956, 32910), (1097, 28680), (1195, 26328), (1434, 21940), (1912, 16455), (2194, 14340), (2390, 13164), (2868, 10970), (3291, 9560), (3585, 8776), (4388, 7170), (4780, 6582), (5485, 5736)]