3231280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{239}}^1$

素因数の和:278

約数の個数: 60

約数和(自身を含む): 8169120

約数和(自身を除く): 4937840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 239, 260, 338, 478, 520, 676, 845, 956, 1040, 1195, 1352, 1690, 1912, 2390, 2704, 3107, 3380, 3824, 4780, 6214, 6760, 9560, 12428, 13520, 15535, 19120, 24856, 31070, 40391, 49712, 62140, 80782, 124280, 161564, 201955, 248560, 323128, 403910, 646256, 807820, 1615640, 3231280]

約数ペア:

[(1, 3231280), (2, 1615640), (4, 807820), (5, 646256), (8, 403910), (10, 323128), (13, 248560), (16, 201955), (20, 161564), (26, 124280), (40, 80782), (52, 62140), (65, 49712), (80, 40391), (104, 31070), (130, 24856), (169, 19120), (208, 15535), (239, 13520), (260, 12428), (338, 9560), (478, 6760), (520, 6214), (676, 4780), (845, 3824), (956, 3380), (1040, 3107), (1195, 2704), (1352, 2390), (1690, 1912)]