90505120

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:374

約数の個数: 96

約数和(自身を含む): 224695296

約数和(自身を除く): 134190176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 71, 80, 124, 142, 155, 160, 248, 257, 284, 310, 355, 496, 514, 568, 620, 710, 992, 1028, 1136, 1240, 1285, 1420, 2056, 2201, 2272, 2480, 2570, 2840, 4112, 4402, 4960, 5140, 5680, 7967, 8224, 8804, 10280, 11005, 11360, 15934, 17608, 18247, 20560, 22010, 31868, 35216, 36494, 39835, 41120, 44020, 63736, 70432, 72988, 79670, 88040, 91235, 127472, 145976, 159340, 176080, 182470, 254944, 291952, 318680, 352160, 364940, 565657, 583904, 637360, 729880, 1131314, 1274720, 1459760, 2262628, 2828285, 2919520, 4525256, 5656570, 9050512, 11313140, 18101024, 22626280, 45252560, 90505120]

約数ペア:

[(1, 90505120), (2, 45252560), (4, 22626280), (5, 18101024), (8, 11313140), (10, 9050512), (16, 5656570), (20, 4525256), (31, 2919520), (32, 2828285), (40, 2262628), (62, 1459760), (71, 1274720), (80, 1131314), (124, 729880), (142, 637360), (155, 583904), (160, 565657), (248, 364940), (257, 352160), (284, 318680), (310, 291952), (355, 254944), (496, 182470), (514, 176080), (568, 159340), (620, 145976), (710, 127472), (992, 91235), (1028, 88040), (1136, 79670), (1240, 72988), (1285, 70432), (1420, 63736), (2056, 44020), (2201, 41120), (2272, 39835), (2480, 36494), (2570, 35216), (2840, 31868), (4112, 22010), (4402, 20560), (4960, 18247), (5140, 17608), (5680, 15934), (7967, 11360), (8224, 11005), (8804, 10280)]