64344320

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2957}}^1$

素因数の和:2995

約数の個数: 72

約数和(自身を含む): 163246104

約数和(自身を除く): 98901784

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 2957, 4352, 5440, 5914, 10880, 11828, 14785, 21760, 23656, 29570, 47312, 50269, 59140, 94624, 100538, 118280, 189248, 201076, 236560, 251345, 378496, 402152, 473120, 502690, 756992, 804304, 946240, 1005380, 1608608, 1892480, 2010760, 3217216, 3784960, 4021520, 6434432, 8043040, 12868864, 16086080, 32172160, 64344320]

約数ペア:

[(1, 64344320), (2, 32172160), (4, 16086080), (5, 12868864), (8, 8043040), (10, 6434432), (16, 4021520), (17, 3784960), (20, 3217216), (32, 2010760), (34, 1892480), (40, 1608608), (64, 1005380), (68, 946240), (80, 804304), (85, 756992), (128, 502690), (136, 473120), (160, 402152), (170, 378496), (256, 251345), (272, 236560), (320, 201076), (340, 189248), (544, 118280), (640, 100538), (680, 94624), (1088, 59140), (1280, 50269), (1360, 47312), (2176, 29570), (2720, 23656), (2957, 21760), (4352, 14785), (5440, 11828), (5914, 10880)]