220734960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{919729}}^1$

素因数の和:919745

約数の個数: 40

約数和(自身を含む): 684279120

約数和(自身を除く): 463544160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 919729, 1839458, 2759187, 3678916, 4598645, 5518374, 7357832, 9197290, 11036748, 13795935, 14715664, 18394580, 22073496, 27591870, 36789160, 44146992, 55183740, 73578320, 110367480, 220734960]

約数ペア:

[(1, 220734960), (2, 110367480), (3, 73578320), (4, 55183740), (5, 44146992), (6, 36789160), (8, 27591870), (10, 22073496), (12, 18394580), (15, 14715664), (16, 13795935), (20, 11036748), (24, 9197290), (30, 7357832), (40, 5518374), (48, 4598645), (60, 3678916), (80, 2759187), (120, 1839458), (240, 919729)]