86466720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{499}}^1$

素因数の和:555

約数の個数: 144

約数和(自身を含む): 288036000

約数和(自身を除く): 201569280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 190, 228, 240, 285, 304, 361, 380, 456, 480, 499, 570, 608, 722, 760, 912, 998, 1083, 1140, 1444, 1497, 1520, 1805, 1824, 1996, 2166, 2280, 2495, 2888, 2994, 3040, 3610, 3992, 4332, 4560, 4990, 5415, 5776, 5988, 7220, 7485, 7984, 8664, 9120, 9481, 9980, 10830, 11552, 11976, 14440, 14970, 15968, 17328, 18962, 19960, 21660, 23952, 28443, 28880, 29940, 34656, 37924, 39920, 43320, 47405, 47904, 56886, 57760, 59880, 75848, 79840, 86640, 94810, 113772, 119760, 142215, 151696, 173280, 180139, 189620, 227544, 239520, 284430, 303392, 360278, 379240, 455088, 540417, 568860, 720556, 758480, 900695, 910176, 1080834, 1137720, 1441112, 1516960, 1801390, 2161668, 2275440, 2702085, 2882224, 3602780, 4323336, 4550880, 5404170, 5764448, 7205560, 8646672, 10808340, 14411120, 17293344, 21616680, 28822240, 43233360, 86466720]

約数ペア:

[(1, 86466720), (2, 43233360), (3, 28822240), (4, 21616680), (5, 17293344), (6, 14411120), (8, 10808340), (10, 8646672), (12, 7205560), (15, 5764448), (16, 5404170), (19, 4550880), (20, 4323336), (24, 3602780), (30, 2882224), (32, 2702085), (38, 2275440), (40, 2161668), (48, 1801390), (57, 1516960), (60, 1441112), (76, 1137720), (80, 1080834), (95, 910176), (96, 900695), (114, 758480), (120, 720556), (152, 568860), (160, 540417), (190, 455088), (228, 379240), (240, 360278), (285, 303392), (304, 284430), (361, 239520), (380, 227544), (456, 189620), (480, 180139), (499, 173280), (570, 151696), (608, 142215), (722, 119760), (760, 113772), (912, 94810), (998, 86640), (1083, 79840), (1140, 75848), (1444, 59880), (1497, 57760), (1520, 56886), (1805, 47904), (1824, 47405), (1996, 43320), (2166, 39920), (2280, 37924), (2495, 34656), (2888, 29940), (2994, 28880), (3040, 28443), (3610, 23952), (3992, 21660), (4332, 19960), (4560, 18962), (4990, 17328), (5415, 15968), (5776, 14970), (5988, 14440), (7220, 11976), (7485, 11552), (7984, 10830), (8664, 9980), (9120, 9481)]