64897360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2543}}^1$

素因数の和:2596

約数の個数: 80

約数和(自身を含む): 170346240

約数和(自身を除く): 105448880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1276, 1595, 2320, 2543, 2552, 3190, 5086, 5104, 6380, 10172, 12715, 12760, 20344, 25430, 25520, 27973, 40688, 50860, 55946, 73747, 101720, 111892, 139865, 147494, 203440, 223784, 279730, 294988, 368735, 447568, 559460, 589976, 737470, 811217, 1118920, 1179952, 1474940, 1622434, 2237840, 2949880, 3244868, 4056085, 5899760, 6489736, 8112170, 12979472, 16224340, 32448680, 64897360]

約数ペア:

[(1, 64897360), (2, 32448680), (4, 16224340), (5, 12979472), (8, 8112170), (10, 6489736), (11, 5899760), (16, 4056085), (20, 3244868), (22, 2949880), (29, 2237840), (40, 1622434), (44, 1474940), (55, 1179952), (58, 1118920), (80, 811217), (88, 737470), (110, 589976), (116, 559460), (145, 447568), (176, 368735), (220, 294988), (232, 279730), (290, 223784), (319, 203440), (440, 147494), (464, 139865), (580, 111892), (638, 101720), (880, 73747), (1160, 55946), (1276, 50860), (1595, 40688), (2320, 27973), (2543, 25520), (2552, 25430), (3190, 20344), (5086, 12760), (5104, 12715), (6380, 10172)]