64891440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{90127}}^1$

素因数の和:90146

約数の個数: 60

約数和(自身を含む): 217929504

約数和(自身を除く): 153038064

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, 90127, 180254, 270381, 360508, 450635, 540762, 721016, 811143, 901270, 1081524, 1351905, 1442032, 1622286, 1802540, 2163048, 2703810, 3244572, 3605080, 4055715, 4326096, 5407620, 6489144, 7210160, 8111430, 10815240, 12978288, 16222860, 21630480, 32445720, 64891440]

約数ペア:

[(1, 64891440), (2, 32445720), (3, 21630480), (4, 16222860), (5, 12978288), (6, 10815240), (8, 8111430), (9, 7210160), (10, 6489144), (12, 5407620), (15, 4326096), (16, 4055715), (18, 3605080), (20, 3244572), (24, 2703810), (30, 2163048), (36, 1802540), (40, 1622286), (45, 1442032), (48, 1351905), (60, 1081524), (72, 901270), (80, 811143), (90, 721016), (120, 540762), (144, 450635), (180, 360508), (240, 270381), (360, 180254), (720, 90127)]