81830080

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:234

約数の個数: 112

約数和(自身を含む): 205703424

約数和(自身を除く): 123873344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 73, 80, 113, 124, 146, 155, 160, 226, 248, 292, 310, 320, 365, 452, 496, 565, 584, 620, 730, 904, 992, 1130, 1168, 1240, 1460, 1808, 1984, 2260, 2263, 2336, 2480, 2920, 3503, 3616, 4520, 4526, 4672, 4960, 5840, 7006, 7232, 8249, 9040, 9052, 9920, 11315, 11680, 14012, 16498, 17515, 18080, 18104, 22630, 23360, 28024, 32996, 35030, 36160, 36208, 41245, 45260, 56048, 65992, 70060, 72416, 82490, 90520, 112096, 131984, 140120, 144832, 164980, 181040, 224192, 255719, 263968, 280240, 329960, 362080, 511438, 527936, 560480, 659920, 724160, 1022876, 1120960, 1278595, 1319840, 2045752, 2557190, 2639680, 4091504, 5114380, 8183008, 10228760, 16366016, 20457520, 40915040, 81830080]

約数ペア:

[(1, 81830080), (2, 40915040), (4, 20457520), (5, 16366016), (8, 10228760), (10, 8183008), (16, 5114380), (20, 4091504), (31, 2639680), (32, 2557190), (40, 2045752), (62, 1319840), (64, 1278595), (73, 1120960), (80, 1022876), (113, 724160), (124, 659920), (146, 560480), (155, 527936), (160, 511438), (226, 362080), (248, 329960), (292, 280240), (310, 263968), (320, 255719), (365, 224192), (452, 181040), (496, 164980), (565, 144832), (584, 140120), (620, 131984), (730, 112096), (904, 90520), (992, 82490), (1130, 72416), (1168, 70060), (1240, 65992), (1460, 56048), (1808, 45260), (1984, 41245), (2260, 36208), (2263, 36160), (2336, 35030), (2480, 32996), (2920, 28024), (3503, 23360), (3616, 22630), (4520, 18104), (4526, 18080), (4672, 17515), (4960, 16498), (5840, 14012), (7006, 11680), (7232, 11315), (8249, 9920), (9040, 9052)]