31816980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13597}}^1$

素因数の和:13625

約数の個数: 72

約数和(自身を含む): 103943112

約数和(自身を除く): 72126132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 13597, 27194, 40791, 54388, 67985, 81582, 122373, 135970, 163164, 176761, 203955, 244746, 271940, 353522, 407910, 489492, 530283, 611865, 707044, 815820, 883805, 1060566, 1223730, 1590849, 1767610, 2121132, 2447460, 2651415, 3181698, 3535220, 5302830, 6363396, 7954245, 10605660, 15908490, 31816980]

約数ペア:

[(1, 31816980), (2, 15908490), (3, 10605660), (4, 7954245), (5, 6363396), (6, 5302830), (9, 3535220), (10, 3181698), (12, 2651415), (13, 2447460), (15, 2121132), (18, 1767610), (20, 1590849), (26, 1223730), (30, 1060566), (36, 883805), (39, 815820), (45, 707044), (52, 611865), (60, 530283), (65, 489492), (78, 407910), (90, 353522), (117, 271940), (130, 244746), (156, 203955), (180, 176761), (195, 163164), (234, 135970), (260, 122373), (390, 81582), (468, 67985), (585, 54388), (780, 40791), (1170, 27194), (2340, 13597)]