1821001620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{820271}}^1$

素因数の和:820320

約数の個数: 48

約数和(自身を含む): 5236616448

約数和(自身を除く): 3415614828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 820271, 1640542, 2460813, 3281084, 4101355, 4921626, 8202710, 9843252, 12304065, 16405420, 24608130, 30350027, 49216260, 60700054, 91050081, 121400108, 151750135, 182100162, 303500270, 364200324, 455250405, 607000540, 910500810, 1821001620]

約数ペア:

[(1, 1821001620), (2, 910500810), (3, 607000540), (4, 455250405), (5, 364200324), (6, 303500270), (10, 182100162), (12, 151750135), (15, 121400108), (20, 91050081), (30, 60700054), (37, 49216260), (60, 30350027), (74, 24608130), (111, 16405420), (148, 12304065), (185, 9843252), (222, 8202710), (370, 4921626), (444, 4101355), (555, 3281084), (740, 2460813), (1110, 1640542), (2220, 820271)]