1640207856

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{17623}}^1$

素因数の和:17918

約数の個数: 80

約数和(自身を含む): 4860276224

約数和(自身を除く): 3220068368

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 277, 336, 554, 831, 1108, 1662, 1939, 2216, 3324, 3878, 4432, 5817, 6648, 7756, 11634, 13296, 15512, 17623, 23268, 31024, 35246, 46536, 52869, 70492, 93072, 105738, 123361, 140984, 211476, 246722, 281968, 370083, 422952, 493444, 740166, 845904, 986888, 1480332, 1973776, 2960664, 4881571, 5921328, 9763142, 14644713, 19526284, 29289426, 34170997, 39052568, 58578852, 68341994, 78105136, 102512991, 117157704, 136683988, 205025982, 234315408, 273367976, 410051964, 546735952, 820103928, 1640207856]

約数ペア:

[(1, 1640207856), (2, 820103928), (3, 546735952), (4, 410051964), (6, 273367976), (7, 234315408), (8, 205025982), (12, 136683988), (14, 117157704), (16, 102512991), (21, 78105136), (24, 68341994), (28, 58578852), (42, 39052568), (48, 34170997), (56, 29289426), (84, 19526284), (112, 14644713), (168, 9763142), (277, 5921328), (336, 4881571), (554, 2960664), (831, 1973776), (1108, 1480332), (1662, 986888), (1939, 845904), (2216, 740166), (3324, 493444), (3878, 422952), (4432, 370083), (5817, 281968), (6648, 246722), (7756, 211476), (11634, 140984), (13296, 123361), (15512, 105738), (17623, 93072), (23268, 70492), (31024, 52869), (35246, 46536)]