13381980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{823}}^1$

素因数の和:1106

約数の個数: 48

約数和(自身を含む): 37653504

約数和(自身を除く): 24271524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 271, 542, 813, 823, 1084, 1355, 1626, 1646, 2469, 2710, 3252, 3292, 4065, 4115, 4938, 5420, 8130, 8230, 9876, 12345, 16260, 16460, 24690, 49380, 223033, 446066, 669099, 892132, 1115165, 1338198, 2230330, 2676396, 3345495, 4460660, 6690990, 13381980]

約数ペア:

[(1, 13381980), (2, 6690990), (3, 4460660), (4, 3345495), (5, 2676396), (6, 2230330), (10, 1338198), (12, 1115165), (15, 892132), (20, 669099), (30, 446066), (60, 223033), (271, 49380), (542, 24690), (813, 16460), (823, 16260), (1084, 12345), (1355, 9876), (1626, 8230), (1646, 8130), (2469, 5420), (2710, 4938), (3252, 4115), (3292, 4065)]