64986680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{463}}^1$

素因数の和:525

約数の個数: 96

約数和(自身を含む): 166622400

約数和(自身を除く): 101635720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 121, 145, 220, 232, 242, 290, 319, 440, 463, 484, 580, 605, 638, 926, 968, 1160, 1210, 1276, 1595, 1852, 2315, 2420, 2552, 3190, 3509, 3704, 4630, 4840, 5093, 6380, 7018, 9260, 10186, 12760, 13427, 14036, 17545, 18520, 20372, 25465, 26854, 28072, 35090, 40744, 50930, 53708, 56023, 67135, 70180, 101860, 107416, 112046, 134270, 140360, 147697, 203720, 224092, 268540, 280115, 295394, 448184, 537080, 560230, 590788, 738485, 1120460, 1181576, 1476970, 1624667, 2240920, 2953940, 3249334, 5907880, 6498668, 8123335, 12997336, 16246670, 32493340, 64986680]

約数ペア:

[(1, 64986680), (2, 32493340), (4, 16246670), (5, 12997336), (8, 8123335), (10, 6498668), (11, 5907880), (20, 3249334), (22, 2953940), (29, 2240920), (40, 1624667), (44, 1476970), (55, 1181576), (58, 1120460), (88, 738485), (110, 590788), (116, 560230), (121, 537080), (145, 448184), (220, 295394), (232, 280115), (242, 268540), (290, 224092), (319, 203720), (440, 147697), (463, 140360), (484, 134270), (580, 112046), (605, 107416), (638, 101860), (926, 70180), (968, 67135), (1160, 56023), (1210, 53708), (1276, 50930), (1595, 40744), (1852, 35090), (2315, 28072), (2420, 26854), (2552, 25465), (3190, 20372), (3509, 18520), (3704, 17545), (4630, 14036), (4840, 13427), (5093, 12760), (6380, 10186), (7018, 9260)]