28101360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:455

約数の個数: 160

約数和(自身を含む): 102136320

約数和(自身を除く): 74034960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 43, 48, 56, 60, 70, 80, 84, 86, 105, 112, 120, 129, 140, 168, 172, 210, 215, 240, 258, 280, 301, 336, 344, 389, 420, 430, 516, 560, 602, 645, 688, 778, 840, 860, 903, 1032, 1167, 1204, 1290, 1505, 1556, 1680, 1720, 1806, 1945, 2064, 2334, 2408, 2580, 2723, 3010, 3112, 3440, 3612, 3890, 4515, 4668, 4816, 5160, 5446, 5835, 6020, 6224, 7224, 7780, 8169, 9030, 9336, 10320, 10892, 11670, 12040, 13615, 14448, 15560, 16338, 16727, 18060, 18672, 21784, 23340, 24080, 27230, 31120, 32676, 33454, 36120, 40845, 43568, 46680, 50181, 54460, 65352, 66908, 72240, 81690, 83635, 93360, 100362, 108920, 117089, 130704, 133816, 163380, 167270, 200724, 217840, 234178, 250905, 267632, 326760, 334540, 351267, 401448, 468356, 501810, 585445, 653520, 669080, 702534, 802896, 936712, 1003620, 1170890, 1338160, 1405068, 1756335, 1873424, 2007240, 2341780, 2810136, 3512670, 4014480, 4683560, 5620272, 7025340, 9367120, 14050680, 28101360]

約数ペア:

[(1, 28101360), (2, 14050680), (3, 9367120), (4, 7025340), (5, 5620272), (6, 4683560), (7, 4014480), (8, 3512670), (10, 2810136), (12, 2341780), (14, 2007240), (15, 1873424), (16, 1756335), (20, 1405068), (21, 1338160), (24, 1170890), (28, 1003620), (30, 936712), (35, 802896), (40, 702534), (42, 669080), (43, 653520), (48, 585445), (56, 501810), (60, 468356), (70, 401448), (80, 351267), (84, 334540), (86, 326760), (105, 267632), (112, 250905), (120, 234178), (129, 217840), (140, 200724), (168, 167270), (172, 163380), (210, 133816), (215, 130704), (240, 117089), (258, 108920), (280, 100362), (301, 93360), (336, 83635), (344, 81690), (389, 72240), (420, 66908), (430, 65352), (516, 54460), (560, 50181), (602, 46680), (645, 43568), (688, 40845), (778, 36120), (840, 33454), (860, 32676), (903, 31120), (1032, 27230), (1167, 24080), (1204, 23340), (1290, 21784), (1505, 18672), (1556, 18060), (1680, 16727), (1720, 16338), (1806, 15560), (1945, 14448), (2064, 13615), (2334, 12040), (2408, 11670), (2580, 10892), (2723, 10320), (3010, 9336), (3112, 9030), (3440, 8169), (3612, 7780), (3890, 7224), (4515, 6224), (4668, 6020), (4816, 5835), (5160, 5446)]