68746880

素因数分解:

$2^7\times 5^1\times {\mathrm{163}}^1\times {\mathrm{659}}^1$

素因数の和:841

約数の個数: 64

約数和(自身を含む): 165607200

約数和(自身を除く): 96860320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 163, 320, 326, 640, 652, 659, 815, 1304, 1318, 1630, 2608, 2636, 3260, 3295, 5216, 5272, 6520, 6590, 10432, 10544, 13040, 13180, 20864, 21088, 26080, 26360, 42176, 52160, 52720, 84352, 104320, 105440, 107417, 210880, 214834, 421760, 429668, 537085, 859336, 1074170, 1718672, 2148340, 3437344, 4296680, 6874688, 8593360, 13749376, 17186720, 34373440, 68746880]

約数ペア:

[(1, 68746880), (2, 34373440), (4, 17186720), (5, 13749376), (8, 8593360), (10, 6874688), (16, 4296680), (20, 3437344), (32, 2148340), (40, 1718672), (64, 1074170), (80, 859336), (128, 537085), (160, 429668), (163, 421760), (320, 214834), (326, 210880), (640, 107417), (652, 105440), (659, 104320), (815, 84352), (1304, 52720), (1318, 52160), (1630, 42176), (2608, 26360), (2636, 26080), (3260, 21088), (3295, 20864), (5216, 13180), (5272, 13040), (6520, 10544), (6590, 10432)]