19878240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41413}}^1$

素因数の和:41431

約数の個数: 48

約数和(自身を含む): 62617968

約数和(自身を除く): 42739728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 41413, 82826, 124239, 165652, 207065, 248478, 331304, 414130, 496956, 621195, 662608, 828260, 993912, 1242390, 1325216, 1656520, 1987824, 2484780, 3313040, 3975648, 4969560, 6626080, 9939120, 19878240]

約数ペア:

[(1, 19878240), (2, 9939120), (3, 6626080), (4, 4969560), (5, 3975648), (6, 3313040), (8, 2484780), (10, 1987824), (12, 1656520), (15, 1325216), (16, 1242390), (20, 993912), (24, 828260), (30, 662608), (32, 621195), (40, 496956), (48, 414130), (60, 331304), (80, 248478), (96, 207065), (120, 165652), (160, 124239), (240, 82826), (480, 41413)]