1871804720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{13627}}^1$

素因数の和:13758

約数の個数: 80

約数和(自身を含む): 4653907488

約数和(自身を除く): 2782102768

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 101, 136, 170, 202, 272, 340, 404, 505, 680, 808, 1010, 1360, 1616, 1717, 2020, 3434, 4040, 6868, 8080, 8585, 13627, 13736, 17170, 27254, 27472, 34340, 54508, 68135, 68680, 109016, 136270, 137360, 218032, 231659, 272540, 463318, 545080, 926636, 1090160, 1158295, 1376327, 1853272, 2316590, 2752654, 3706544, 4633180, 5505308, 6881635, 9266360, 11010616, 13763270, 18532720, 22021232, 23397559, 27526540, 46795118, 55053080, 93590236, 110106160, 116987795, 187180472, 233975590, 374360944, 467951180, 935902360, 1871804720]

約数ペア:

[(1, 1871804720), (2, 935902360), (4, 467951180), (5, 374360944), (8, 233975590), (10, 187180472), (16, 116987795), (17, 110106160), (20, 93590236), (34, 55053080), (40, 46795118), (68, 27526540), (80, 23397559), (85, 22021232), (101, 18532720), (136, 13763270), (170, 11010616), (202, 9266360), (272, 6881635), (340, 5505308), (404, 4633180), (505, 3706544), (680, 2752654), (808, 2316590), (1010, 1853272), (1360, 1376327), (1616, 1158295), (1717, 1090160), (2020, 926636), (3434, 545080), (4040, 463318), (6868, 272540), (8080, 231659), (8585, 218032), (13627, 137360), (13736, 136270), (17170, 109016), (27254, 68680), (27472, 68135), (34340, 54508)]