78705480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2179}}^1$

素因数の和:2243

約数の個数: 128

約数和(自身を含む): 276249600

約数和(自身を除く): 197544120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 84, 86, 105, 120, 129, 140, 168, 172, 210, 215, 258, 280, 301, 344, 420, 430, 516, 602, 645, 840, 860, 903, 1032, 1204, 1290, 1505, 1720, 1806, 2179, 2408, 2580, 3010, 3612, 4358, 4515, 5160, 6020, 6537, 7224, 8716, 9030, 10895, 12040, 13074, 15253, 17432, 18060, 21790, 26148, 30506, 32685, 36120, 43580, 45759, 52296, 61012, 65370, 76265, 87160, 91518, 93697, 122024, 130740, 152530, 183036, 187394, 228795, 261480, 281091, 305060, 366072, 374788, 457590, 468485, 562182, 610120, 655879, 749576, 915180, 936970, 1124364, 1311758, 1405455, 1830360, 1873940, 1967637, 2248728, 2623516, 2810910, 3279395, 3747880, 3935274, 5247032, 5621820, 6558790, 7870548, 9838185, 11243640, 13117580, 15741096, 19676370, 26235160, 39352740, 78705480]

約数ペア:

[(1, 78705480), (2, 39352740), (3, 26235160), (4, 19676370), (5, 15741096), (6, 13117580), (7, 11243640), (8, 9838185), (10, 7870548), (12, 6558790), (14, 5621820), (15, 5247032), (20, 3935274), (21, 3747880), (24, 3279395), (28, 2810910), (30, 2623516), (35, 2248728), (40, 1967637), (42, 1873940), (43, 1830360), (56, 1405455), (60, 1311758), (70, 1124364), (84, 936970), (86, 915180), (105, 749576), (120, 655879), (129, 610120), (140, 562182), (168, 468485), (172, 457590), (210, 374788), (215, 366072), (258, 305060), (280, 281091), (301, 261480), (344, 228795), (420, 187394), (430, 183036), (516, 152530), (602, 130740), (645, 122024), (840, 93697), (860, 91518), (903, 87160), (1032, 76265), (1204, 65370), (1290, 61012), (1505, 52296), (1720, 45759), (1806, 43580), (2179, 36120), (2408, 32685), (2580, 30506), (3010, 26148), (3612, 21790), (4358, 18060), (4515, 17432), (5160, 15253), (6020, 13074), (6537, 12040), (7224, 10895), (8716, 9030)]