221940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{137}}^1$

素因数の和:158

約数の個数: 60

約数和(自身を含む): 701316

約数和(自身を除く): 479376

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 137, 162, 180, 270, 274, 324, 405, 411, 540, 548, 685, 810, 822, 1233, 1370, 1620, 1644, 2055, 2466, 2740, 3699, 4110, 4932, 6165, 7398, 8220, 11097, 12330, 14796, 18495, 22194, 24660, 36990, 44388, 55485, 73980, 110970, 221940]

約数ペア:

[(1, 221940), (2, 110970), (3, 73980), (4, 55485), (5, 44388), (6, 36990), (9, 24660), (10, 22194), (12, 18495), (15, 14796), (18, 12330), (20, 11097), (27, 8220), (30, 7398), (36, 6165), (45, 4932), (54, 4110), (60, 3699), (81, 2740), (90, 2466), (108, 2055), (135, 1644), (137, 1620), (162, 1370), (180, 1233), (270, 822), (274, 810), (324, 685), (405, 548), (411, 540)]