81109140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1709}}^1$

素因数の和:1841

約数の個数: 96

約数和(自身を含む): 261999360

約数和(自身を除く): 180890220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 113, 140, 210, 226, 339, 420, 452, 565, 678, 791, 1130, 1356, 1582, 1695, 1709, 2260, 2373, 3164, 3390, 3418, 3955, 4746, 5127, 6780, 6836, 7910, 8545, 9492, 10254, 11865, 11963, 15820, 17090, 20508, 23730, 23926, 25635, 34180, 35889, 47460, 47852, 51270, 59815, 71778, 102540, 119630, 143556, 179445, 193117, 239260, 358890, 386234, 579351, 717780, 772468, 965585, 1158702, 1351819, 1931170, 2317404, 2703638, 2896755, 3862340, 4055457, 5407276, 5793510, 6759095, 8110914, 11587020, 13518190, 16221828, 20277285, 27036380, 40554570, 81109140]

約数ペア:

[(1, 81109140), (2, 40554570), (3, 27036380), (4, 20277285), (5, 16221828), (6, 13518190), (7, 11587020), (10, 8110914), (12, 6759095), (14, 5793510), (15, 5407276), (20, 4055457), (21, 3862340), (28, 2896755), (30, 2703638), (35, 2317404), (42, 1931170), (60, 1351819), (70, 1158702), (84, 965585), (105, 772468), (113, 717780), (140, 579351), (210, 386234), (226, 358890), (339, 239260), (420, 193117), (452, 179445), (565, 143556), (678, 119630), (791, 102540), (1130, 71778), (1356, 59815), (1582, 51270), (1695, 47852), (1709, 47460), (2260, 35889), (2373, 34180), (3164, 25635), (3390, 23926), (3418, 23730), (3955, 20508), (4746, 17090), (5127, 15820), (6780, 11963), (6836, 11865), (7910, 10254), (8545, 9492)]