238927080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{617}}^1$

素因数の和:1099

約数の個数: 128

約数和(自身を含む): 822286080

約数和(自身を除く): 583359000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 461, 617, 840, 922, 1234, 1383, 1844, 1851, 2305, 2468, 2766, 3085, 3227, 3688, 3702, 4319, 4610, 4936, 5532, 6170, 6454, 6915, 7404, 8638, 9220, 9255, 9681, 11064, 12340, 12908, 12957, 13830, 14808, 16135, 17276, 18440, 18510, 19362, 21595, 24680, 25816, 25914, 27660, 32270, 34552, 37020, 38724, 43190, 48405, 51828, 55320, 64540, 64785, 74040, 77448, 86380, 96810, 103656, 129080, 129570, 172760, 193620, 259140, 284437, 387240, 518280, 568874, 853311, 1137748, 1422185, 1706622, 1991059, 2275496, 2844370, 3413244, 3982118, 4266555, 5688740, 5973177, 6826488, 7964236, 8533110, 9955295, 11377480, 11946354, 15928472, 17066220, 19910590, 23892708, 29865885, 34132440, 39821180, 47785416, 59731770, 79642360, 119463540, 238927080]

約数ペア:

[(1, 238927080), (2, 119463540), (3, 79642360), (4, 59731770), (5, 47785416), (6, 39821180), (7, 34132440), (8, 29865885), (10, 23892708), (12, 19910590), (14, 17066220), (15, 15928472), (20, 11946354), (21, 11377480), (24, 9955295), (28, 8533110), (30, 7964236), (35, 6826488), (40, 5973177), (42, 5688740), (56, 4266555), (60, 3982118), (70, 3413244), (84, 2844370), (105, 2275496), (120, 1991059), (140, 1706622), (168, 1422185), (210, 1137748), (280, 853311), (420, 568874), (461, 518280), (617, 387240), (840, 284437), (922, 259140), (1234, 193620), (1383, 172760), (1844, 129570), (1851, 129080), (2305, 103656), (2468, 96810), (2766, 86380), (3085, 77448), (3227, 74040), (3688, 64785), (3702, 64540), (4319, 55320), (4610, 51828), (4936, 48405), (5532, 43190), (6170, 38724), (6454, 37020), (6915, 34552), (7404, 32270), (8638, 27660), (9220, 25914), (9255, 25816), (9681, 24680), (11064, 21595), (12340, 19362), (12908, 18510), (12957, 18440), (13830, 17276), (14808, 16135)]