30862780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 73416672

約数和(自身を除く): 42553892

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 169, 230, 260, 299, 338, 397, 460, 598, 676, 794, 845, 1196, 1495, 1588, 1690, 1985, 2990, 3380, 3887, 3970, 5161, 5980, 7774, 7940, 9131, 10322, 15548, 18262, 19435, 20644, 25805, 36524, 38870, 45655, 51610, 67093, 77740, 91310, 103220, 118703, 134186, 182620, 237406, 268372, 335465, 474812, 593515, 670930, 1187030, 1341860, 1543139, 2374060, 3086278, 6172556, 7715695, 15431390, 30862780]

約数ペア:

[(1, 30862780), (2, 15431390), (4, 7715695), (5, 6172556), (10, 3086278), (13, 2374060), (20, 1543139), (23, 1341860), (26, 1187030), (46, 670930), (52, 593515), (65, 474812), (92, 335465), (115, 268372), (130, 237406), (169, 182620), (230, 134186), (260, 118703), (299, 103220), (338, 91310), (397, 77740), (460, 67093), (598, 51610), (676, 45655), (794, 38870), (845, 36524), (1196, 25805), (1495, 20644), (1588, 19435), (1690, 18262), (1985, 15548), (2990, 10322), (3380, 9131), (3887, 7940), (3970, 7774), (5161, 5980)]