155481720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1295681}}^1$

素因数の和:1295695

約数の個数: 32

約数和(自身を含む): 466445520

約数和(自身を除く): 310963800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1295681, 2591362, 3887043, 5182724, 6478405, 7774086, 10365448, 12956810, 15548172, 19435215, 25913620, 31096344, 38870430, 51827240, 77740860, 155481720]

約数ペア:

[(1, 155481720), (2, 77740860), (3, 51827240), (4, 38870430), (5, 31096344), (6, 25913620), (8, 19435215), (10, 15548172), (12, 12956810), (15, 10365448), (20, 7774086), (24, 6478405), (30, 5182724), (40, 3887043), (60, 2591362), (120, 1295681)]