393395280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1639147}}^1$

素因数の和:1639163

約数の個数: 40

約数和(自身を含む): 1219526112

約数和(自身を除く): 826130832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1639147, 3278294, 4917441, 6556588, 8195735, 9834882, 13113176, 16391470, 19669764, 24587205, 26226352, 32782940, 39339528, 49174410, 65565880, 78679056, 98348820, 131131760, 196697640, 393395280]

約数ペア:

[(1, 393395280), (2, 196697640), (3, 131131760), (4, 98348820), (5, 78679056), (6, 65565880), (8, 49174410), (10, 39339528), (12, 32782940), (15, 26226352), (16, 24587205), (20, 19669764), (24, 16391470), (30, 13113176), (40, 9834882), (48, 8195735), (60, 6556588), (80, 4917441), (120, 3278294), (240, 1639147)]