215977980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{8017}}^1$

素因数の和:8478

約数の個数: 48

約数和(自身を含む): 606160800

約数和(自身を除く): 390182820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 449, 898, 1347, 1796, 2245, 2694, 4490, 5388, 6735, 8017, 8980, 13470, 16034, 24051, 26940, 32068, 40085, 48102, 80170, 96204, 120255, 160340, 240510, 481020, 3599633, 7199266, 10798899, 14398532, 17998165, 21597798, 35996330, 43195596, 53994495, 71992660, 107988990, 215977980]

約数ペア:

[(1, 215977980), (2, 107988990), (3, 71992660), (4, 53994495), (5, 43195596), (6, 35996330), (10, 21597798), (12, 17998165), (15, 14398532), (20, 10798899), (30, 7199266), (60, 3599633), (449, 481020), (898, 240510), (1347, 160340), (1796, 120255), (2245, 96204), (2694, 80170), (4490, 48102), (5388, 40085), (6735, 32068), (8017, 26940), (8980, 24051), (13470, 16034)]