68298880

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8209}}^1$

素因数の和:8241

約数の個数: 64

約数和(自身を含む): 175858200

約数和(自身を除く): 107559320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8209, 8320, 16418, 32836, 41045, 65672, 82090, 106717, 131344, 164180, 213434, 262688, 328360, 426868, 525376, 533585, 656720, 853736, 1050752, 1067170, 1313440, 1707472, 2134340, 2626880, 3414944, 4268680, 5253760, 6829888, 8537360, 13659776, 17074720, 34149440, 68298880]

約数ペア:

[(1, 68298880), (2, 34149440), (4, 17074720), (5, 13659776), (8, 8537360), (10, 6829888), (13, 5253760), (16, 4268680), (20, 3414944), (26, 2626880), (32, 2134340), (40, 1707472), (52, 1313440), (64, 1067170), (65, 1050752), (80, 853736), (104, 656720), (128, 533585), (130, 525376), (160, 426868), (208, 328360), (260, 262688), (320, 213434), (416, 164180), (520, 131344), (640, 106717), (832, 82090), (1040, 65672), (1664, 41045), (2080, 32836), (4160, 16418), (8209, 8320)]