1785680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:144

約数の個数: 80

約数和(自身を含む): 4780944

約数和(自身を除く): 2995264

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 101, 104, 130, 136, 170, 202, 208, 221, 260, 272, 340, 404, 442, 505, 520, 680, 808, 884, 1010, 1040, 1105, 1313, 1360, 1616, 1717, 1768, 2020, 2210, 2626, 3434, 3536, 4040, 4420, 5252, 6565, 6868, 8080, 8585, 8840, 10504, 13130, 13736, 17170, 17680, 21008, 22321, 26260, 27472, 34340, 44642, 52520, 68680, 89284, 105040, 111605, 137360, 178568, 223210, 357136, 446420, 892840, 1785680]

約数ペア:

[(1, 1785680), (2, 892840), (4, 446420), (5, 357136), (8, 223210), (10, 178568), (13, 137360), (16, 111605), (17, 105040), (20, 89284), (26, 68680), (34, 52520), (40, 44642), (52, 34340), (65, 27472), (68, 26260), (80, 22321), (85, 21008), (101, 17680), (104, 17170), (130, 13736), (136, 13130), (170, 10504), (202, 8840), (208, 8585), (221, 8080), (260, 6868), (272, 6565), (340, 5252), (404, 4420), (442, 4040), (505, 3536), (520, 3434), (680, 2626), (808, 2210), (884, 2020), (1010, 1768), (1040, 1717), (1105, 1616), (1313, 1360)]