908489920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:307

約数の個数: 168

約数和(自身を含む): 2379506544

約数和(自身を除く): 1471016624

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 107, 130, 157, 160, 169, 208, 214, 260, 314, 320, 338, 416, 428, 520, 535, 628, 676, 785, 832, 845, 856, 1040, 1070, 1256, 1352, 1391, 1570, 1690, 1712, 2041, 2080, 2140, 2512, 2704, 2782, 3140, 3380, 3424, 4082, 4160, 4280, 5024, 5408, 5564, 6280, 6760, 6848, 6955, 8164, 8560, 10048, 10205, 10816, 11128, 12560, 13520, 13910, 16328, 16799, 17120, 18083, 20410, 22256, 25120, 26533, 27040, 27820, 32656, 33598, 34240, 36166, 40820, 44512, 50240, 53066, 54080, 55640, 65312, 67196, 72332, 81640, 83995, 89024, 90415, 106132, 111280, 130624, 132665, 134392, 144664, 163280, 167990, 180830, 212264, 218387, 222560, 265330, 268784, 289328, 326560, 335980, 361660, 424528, 436774, 445120, 530660, 537568, 578656, 653120, 671960, 723320, 849056, 873548, 1061320, 1075136, 1091935, 1157312, 1343920, 1446640, 1698112, 1747096, 2122640, 2183870, 2687840, 2839031, 2893280, 3494192, 4245280, 4367740, 5375680, 5678062, 5786560, 6988384, 8490560, 8735480, 11356124, 13976768, 14195155, 17470960, 22712248, 28390310, 34941920, 45424496, 56780620, 69883840, 90848992, 113561240, 181697984, 227122480, 454244960, 908489920]

約数ペア:

[(1, 908489920), (2, 454244960), (4, 227122480), (5, 181697984), (8, 113561240), (10, 90848992), (13, 69883840), (16, 56780620), (20, 45424496), (26, 34941920), (32, 28390310), (40, 22712248), (52, 17470960), (64, 14195155), (65, 13976768), (80, 11356124), (104, 8735480), (107, 8490560), (130, 6988384), (157, 5786560), (160, 5678062), (169, 5375680), (208, 4367740), (214, 4245280), (260, 3494192), (314, 2893280), (320, 2839031), (338, 2687840), (416, 2183870), (428, 2122640), (520, 1747096), (535, 1698112), (628, 1446640), (676, 1343920), (785, 1157312), (832, 1091935), (845, 1075136), (856, 1061320), (1040, 873548), (1070, 849056), (1256, 723320), (1352, 671960), (1391, 653120), (1570, 578656), (1690, 537568), (1712, 530660), (2041, 445120), (2080, 436774), (2140, 424528), (2512, 361660), (2704, 335980), (2782, 326560), (3140, 289328), (3380, 268784), (3424, 265330), (4082, 222560), (4160, 218387), (4280, 212264), (5024, 180830), (5408, 167990), (5564, 163280), (6280, 144664), (6760, 134392), (6848, 132665), (6955, 130624), (8164, 111280), (8560, 106132), (10048, 90415), (10205, 89024), (10816, 83995), (11128, 81640), (12560, 72332), (13520, 67196), (13910, 65312), (16328, 55640), (16799, 54080), (17120, 53066), (18083, 50240), (20410, 44512), (22256, 40820), (25120, 36166), (26533, 34240), (27040, 33598), (27820, 32656)]