281742880

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1321}}^1$

素因数の和:1410

約数の個数: 96

約数和(自身を含む): 703600128

約数和(自身を除く): 421857248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 62, 80, 86, 124, 155, 160, 172, 215, 248, 310, 344, 430, 496, 620, 688, 860, 992, 1240, 1321, 1333, 1376, 1720, 2480, 2642, 2666, 3440, 4960, 5284, 5332, 6605, 6665, 6880, 10568, 10664, 13210, 13330, 21136, 21328, 26420, 26660, 40951, 42272, 42656, 52840, 53320, 56803, 81902, 105680, 106640, 113606, 163804, 204755, 211360, 213280, 227212, 284015, 327608, 409510, 454424, 568030, 655216, 819020, 908848, 1136060, 1310432, 1638040, 1760893, 1817696, 2272120, 3276080, 3521786, 4544240, 6552160, 7043572, 8804465, 9088480, 14087144, 17608930, 28174288, 35217860, 56348576, 70435720, 140871440, 281742880]

約数ペア:

[(1, 281742880), (2, 140871440), (4, 70435720), (5, 56348576), (8, 35217860), (10, 28174288), (16, 17608930), (20, 14087144), (31, 9088480), (32, 8804465), (40, 7043572), (43, 6552160), (62, 4544240), (80, 3521786), (86, 3276080), (124, 2272120), (155, 1817696), (160, 1760893), (172, 1638040), (215, 1310432), (248, 1136060), (310, 908848), (344, 819020), (430, 655216), (496, 568030), (620, 454424), (688, 409510), (860, 327608), (992, 284015), (1240, 227212), (1321, 213280), (1333, 211360), (1376, 204755), (1720, 163804), (2480, 113606), (2642, 106640), (2666, 105680), (3440, 81902), (4960, 56803), (5284, 53320), (5332, 52840), (6605, 42656), (6665, 42272), (6880, 40951), (10568, 26660), (10664, 26420), (13210, 21328), (13330, 21136)]