668007795

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{599}}^1$

素因数の和:689

約数の個数: 128

約数和(自身を含む): 1419264000

約数和(自身を除く): 751256205

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 35, 39, 43, 57, 65, 91, 95, 105, 129, 133, 195, 215, 247, 273, 285, 301, 399, 455, 559, 599, 645, 665, 741, 817, 903, 1235, 1365, 1505, 1677, 1729, 1797, 1995, 2451, 2795, 2995, 3705, 3913, 4085, 4193, 4515, 5187, 5719, 7787, 8385, 8645, 8985, 10621, 11381, 11739, 12255, 12579, 17157, 19565, 20965, 23361, 25757, 25935, 28595, 31863, 34143, 38935, 53105, 54509, 56905, 58695, 62895, 74347, 77271, 79667, 85785, 116805, 128785, 147953, 159315, 163527, 170715, 180299, 223041, 239001, 272545, 334841, 371735, 386355, 398335, 443859, 489383, 540897, 739765, 817635, 901495, 1004523, 1035671, 1115205, 1195005, 1468149, 1674205, 2219295, 2343887, 2446915, 2704485, 3107013, 3425681, 5022615, 5178355, 6361979, 7031661, 7340745, 10277043, 11719435, 15535065, 17128405, 19085937, 31809895, 35158305, 44533853, 51385215, 95429685, 133601559, 222669265, 668007795]

約数ペア:

[(1, 668007795), (3, 222669265), (5, 133601559), (7, 95429685), (13, 51385215), (15, 44533853), (19, 35158305), (21, 31809895), (35, 19085937), (39, 17128405), (43, 15535065), (57, 11719435), (65, 10277043), (91, 7340745), (95, 7031661), (105, 6361979), (129, 5178355), (133, 5022615), (195, 3425681), (215, 3107013), (247, 2704485), (273, 2446915), (285, 2343887), (301, 2219295), (399, 1674205), (455, 1468149), (559, 1195005), (599, 1115205), (645, 1035671), (665, 1004523), (741, 901495), (817, 817635), (903, 739765), (1235, 540897), (1365, 489383), (1505, 443859), (1677, 398335), (1729, 386355), (1797, 371735), (1995, 334841), (2451, 272545), (2795, 239001), (2995, 223041), (3705, 180299), (3913, 170715), (4085, 163527), (4193, 159315), (4515, 147953), (5187, 128785), (5719, 116805), (7787, 85785), (8385, 79667), (8645, 77271), (8985, 74347), (10621, 62895), (11381, 58695), (11739, 56905), (12255, 54509), (12579, 53105), (17157, 38935), (19565, 34143), (20965, 31863), (23361, 28595), (25757, 25935)]