844437520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{17921}}^1$

素因数の和:17984

約数の個数: 80

約数和(自身を含む): 2133434880

約数和(自身を除く): 1288997360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 5890, 9424, 11780, 17921, 23560, 35842, 47120, 71684, 89605, 143368, 179210, 286736, 340499, 358420, 555551, 680998, 716840, 1111102, 1361996, 1433680, 1702495, 2222204, 2723992, 2777755, 3404990, 4444408, 5447984, 5555510, 6809980, 8888816, 10555469, 11111020, 13619960, 21110938, 22222040, 27239920, 42221876, 44444080, 52777345, 84443752, 105554690, 168887504, 211109380, 422218760, 844437520]

約数ペア:

[(1, 844437520), (2, 422218760), (4, 211109380), (5, 168887504), (8, 105554690), (10, 84443752), (16, 52777345), (19, 44444080), (20, 42221876), (31, 27239920), (38, 22222040), (40, 21110938), (62, 13619960), (76, 11111020), (80, 10555469), (95, 8888816), (124, 6809980), (152, 5555510), (155, 5447984), (190, 4444408), (248, 3404990), (304, 2777755), (310, 2723992), (380, 2222204), (496, 1702495), (589, 1433680), (620, 1361996), (760, 1111102), (1178, 716840), (1240, 680998), (1520, 555551), (2356, 358420), (2480, 340499), (2945, 286736), (4712, 179210), (5890, 143368), (9424, 89605), (11780, 71684), (17921, 47120), (23560, 35842)]