81880560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113723}}^1$

素因数の和:113742

約数の個数: 60

約数和(自身を含む): 274984632

約数和(自身を除く): 193104072

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 113723, 227446, 341169, 454892, 568615, 682338, 909784, 1023507, 1137230, 1364676, 1705845, 1819568, 2047014, 2274460, 2729352, 3411690, 4094028, 4548920, 5117535, 5458704, 6823380, 8188056, 9097840, 10235070, 13646760, 16376112, 20470140, 27293520, 40940280, 81880560]

約数ペア:

[(1, 81880560), (2, 40940280), (3, 27293520), (4, 20470140), (5, 16376112), (6, 13646760), (8, 10235070), (9, 9097840), (10, 8188056), (12, 6823380), (15, 5458704), (16, 5117535), (18, 4548920), (20, 4094028), (24, 3411690), (30, 2729352), (36, 2274460), (40, 2047014), (45, 1819568), (48, 1705845), (60, 1364676), (72, 1137230), (80, 1023507), (90, 909784), (120, 682338), (144, 568615), (180, 454892), (240, 341169), (360, 227446), (720, 113723)]