30490720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:272

約数の個数: 96

約数和(自身を含む): 78871968

約数和(自身を除く): 48381248

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 107, 130, 137, 160, 208, 214, 260, 274, 416, 428, 520, 535, 548, 685, 856, 1040, 1070, 1096, 1370, 1391, 1712, 1781, 2080, 2140, 2192, 2740, 2782, 3424, 3562, 4280, 4384, 5480, 5564, 6955, 7124, 8560, 8905, 10960, 11128, 13910, 14248, 14659, 17120, 17810, 21920, 22256, 27820, 28496, 29318, 35620, 44512, 55640, 56992, 58636, 71240, 73295, 111280, 117272, 142480, 146590, 190567, 222560, 234544, 284960, 293180, 381134, 469088, 586360, 762268, 952835, 1172720, 1524536, 1905670, 2345440, 3049072, 3811340, 6098144, 7622680, 15245360, 30490720]

約数ペア:

[(1, 30490720), (2, 15245360), (4, 7622680), (5, 6098144), (8, 3811340), (10, 3049072), (13, 2345440), (16, 1905670), (20, 1524536), (26, 1172720), (32, 952835), (40, 762268), (52, 586360), (65, 469088), (80, 381134), (104, 293180), (107, 284960), (130, 234544), (137, 222560), (160, 190567), (208, 146590), (214, 142480), (260, 117272), (274, 111280), (416, 73295), (428, 71240), (520, 58636), (535, 56992), (548, 55640), (685, 44512), (856, 35620), (1040, 29318), (1070, 28496), (1096, 27820), (1370, 22256), (1391, 21920), (1712, 17810), (1781, 17120), (2080, 14659), (2140, 14248), (2192, 13910), (2740, 11128), (2782, 10960), (3424, 8905), (3562, 8560), (4280, 7124), (4384, 6955), (5480, 5564)]