68538080

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{397}}^1$

素因数の和:508

約数の個数: 96

約数和(自身を含む): 176922144

約数和(自身を除く): 108384064

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 83, 104, 130, 160, 166, 208, 260, 332, 397, 415, 416, 520, 664, 794, 830, 1040, 1079, 1328, 1588, 1660, 1985, 2080, 2158, 2656, 3176, 3320, 3970, 4316, 5161, 5395, 6352, 6640, 7940, 8632, 10322, 10790, 12704, 13280, 15880, 17264, 20644, 21580, 25805, 31760, 32951, 34528, 41288, 43160, 51610, 63520, 65902, 82576, 86320, 103220, 131804, 164755, 165152, 172640, 206440, 263608, 329510, 412880, 428363, 527216, 659020, 825760, 856726, 1054432, 1318040, 1713452, 2141815, 2636080, 3426904, 4283630, 5272160, 6853808, 8567260, 13707616, 17134520, 34269040, 68538080]

約数ペア:

[(1, 68538080), (2, 34269040), (4, 17134520), (5, 13707616), (8, 8567260), (10, 6853808), (13, 5272160), (16, 4283630), (20, 3426904), (26, 2636080), (32, 2141815), (40, 1713452), (52, 1318040), (65, 1054432), (80, 856726), (83, 825760), (104, 659020), (130, 527216), (160, 428363), (166, 412880), (208, 329510), (260, 263608), (332, 206440), (397, 172640), (415, 165152), (416, 164755), (520, 131804), (664, 103220), (794, 86320), (830, 82576), (1040, 65902), (1079, 63520), (1328, 51610), (1588, 43160), (1660, 41288), (1985, 34528), (2080, 32951), (2158, 31760), (2656, 25805), (3176, 21580), (3320, 20644), (3970, 17264), (4316, 15880), (5161, 13280), (5395, 12704), (6352, 10790), (6640, 10322), (7940, 8632)]