78451860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{31891}}^1$

素因数の和:31944

約数の個数: 48

約数和(自身を含む): 225029952

約数和(自身を除く): 146578092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 31891, 63782, 95673, 127564, 159455, 191346, 318910, 382692, 478365, 637820, 956730, 1307531, 1913460, 2615062, 3922593, 5230124, 6537655, 7845186, 13075310, 15690372, 19612965, 26150620, 39225930, 78451860]

約数ペア:

[(1, 78451860), (2, 39225930), (3, 26150620), (4, 19612965), (5, 15690372), (6, 13075310), (10, 7845186), (12, 6537655), (15, 5230124), (20, 3922593), (30, 2615062), (41, 1913460), (60, 1307531), (82, 956730), (123, 637820), (164, 478365), (205, 382692), (246, 318910), (410, 191346), (492, 159455), (615, 127564), (820, 95673), (1230, 63782), (2460, 31891)]