68737280

素因数分解:

$2^8\times 5^1\times {\mathrm{83}}^1\times {\mathrm{647}}^1$

素因数の和:751

約数の個数: 72

約数和(自身を含む): 166888512

約数和(自身を除く): 98151232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 256, 320, 332, 415, 640, 647, 664, 830, 1280, 1294, 1328, 1660, 2588, 2656, 3235, 3320, 5176, 5312, 6470, 6640, 10352, 10624, 12940, 13280, 20704, 21248, 25880, 26560, 41408, 51760, 53120, 53701, 82816, 103520, 106240, 107402, 165632, 207040, 214804, 268505, 414080, 429608, 537010, 828160, 859216, 1074020, 1718432, 2148040, 3436864, 4296080, 6873728, 8592160, 13747456, 17184320, 34368640, 68737280]

約数ペア:

[(1, 68737280), (2, 34368640), (4, 17184320), (5, 13747456), (8, 8592160), (10, 6873728), (16, 4296080), (20, 3436864), (32, 2148040), (40, 1718432), (64, 1074020), (80, 859216), (83, 828160), (128, 537010), (160, 429608), (166, 414080), (256, 268505), (320, 214804), (332, 207040), (415, 165632), (640, 107402), (647, 106240), (664, 103520), (830, 82816), (1280, 53701), (1294, 53120), (1328, 51760), (1660, 41408), (2588, 26560), (2656, 25880), (3235, 21248), (3320, 20704), (5176, 13280), (5312, 12940), (6470, 10624), (6640, 10352)]