2197620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:465

約数の個数: 72

約数和(自身を含む): 6912360

約数和(自身を除く): 4714740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 421, 435, 522, 580, 842, 870, 1044, 1263, 1305, 1684, 1740, 2105, 2526, 2610, 3789, 4210, 5052, 5220, 6315, 7578, 8420, 12209, 12630, 15156, 18945, 24418, 25260, 36627, 37890, 48836, 61045, 73254, 75780, 109881, 122090, 146508, 183135, 219762, 244180, 366270, 439524, 549405, 732540, 1098810, 2197620]

約数ペア:

[(1, 2197620), (2, 1098810), (3, 732540), (4, 549405), (5, 439524), (6, 366270), (9, 244180), (10, 219762), (12, 183135), (15, 146508), (18, 122090), (20, 109881), (29, 75780), (30, 73254), (36, 61045), (45, 48836), (58, 37890), (60, 36627), (87, 25260), (90, 24418), (116, 18945), (145, 15156), (174, 12630), (180, 12209), (261, 8420), (290, 7578), (348, 6315), (421, 5220), (435, 5052), (522, 4210), (580, 3789), (842, 2610), (870, 2526), (1044, 2105), (1263, 1740), (1305, 1684)]