67641680

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:324

約数の個数: 80

約数和(自身を含む): 162739584

約数和(自身を除く): 95097904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 83, 122, 166, 167, 244, 305, 332, 334, 415, 488, 610, 664, 668, 830, 835, 976, 1220, 1328, 1336, 1660, 1670, 2440, 2672, 3320, 3340, 4880, 5063, 6640, 6680, 10126, 10187, 13360, 13861, 20252, 20374, 25315, 27722, 40504, 40748, 50630, 50935, 55444, 69305, 81008, 81496, 101260, 101870, 110888, 138610, 162992, 202520, 203740, 221776, 277220, 405040, 407480, 554440, 814960, 845521, 1108880, 1691042, 3382084, 4227605, 6764168, 8455210, 13528336, 16910420, 33820840, 67641680]

約数ペア:

[(1, 67641680), (2, 33820840), (4, 16910420), (5, 13528336), (8, 8455210), (10, 6764168), (16, 4227605), (20, 3382084), (40, 1691042), (61, 1108880), (80, 845521), (83, 814960), (122, 554440), (166, 407480), (167, 405040), (244, 277220), (305, 221776), (332, 203740), (334, 202520), (415, 162992), (488, 138610), (610, 110888), (664, 101870), (668, 101260), (830, 81496), (835, 81008), (976, 69305), (1220, 55444), (1328, 50935), (1336, 50630), (1660, 40748), (1670, 40504), (2440, 27722), (2672, 25315), (3320, 20374), (3340, 20252), (4880, 13861), (5063, 13360), (6640, 10187), (6680, 10126)]