61725560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:457

約数の個数: 96

約数和(自身を含む): 157321440

約数和(自身を除く): 95595880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 169, 184, 230, 260, 299, 338, 397, 460, 520, 598, 676, 794, 845, 920, 1196, 1352, 1495, 1588, 1690, 1985, 2392, 2990, 3176, 3380, 3887, 3970, 5161, 5980, 6760, 7774, 7940, 9131, 10322, 11960, 15548, 15880, 18262, 19435, 20644, 25805, 31096, 36524, 38870, 41288, 45655, 51610, 67093, 73048, 77740, 91310, 103220, 118703, 134186, 155480, 182620, 206440, 237406, 268372, 335465, 365240, 474812, 536744, 593515, 670930, 949624, 1187030, 1341860, 1543139, 2374060, 2683720, 3086278, 4748120, 6172556, 7715695, 12345112, 15431390, 30862780, 61725560]

約数ペア:

[(1, 61725560), (2, 30862780), (4, 15431390), (5, 12345112), (8, 7715695), (10, 6172556), (13, 4748120), (20, 3086278), (23, 2683720), (26, 2374060), (40, 1543139), (46, 1341860), (52, 1187030), (65, 949624), (92, 670930), (104, 593515), (115, 536744), (130, 474812), (169, 365240), (184, 335465), (230, 268372), (260, 237406), (299, 206440), (338, 182620), (397, 155480), (460, 134186), (520, 118703), (598, 103220), (676, 91310), (794, 77740), (845, 73048), (920, 67093), (1196, 51610), (1352, 45655), (1495, 41288), (1588, 38870), (1690, 36524), (1985, 31096), (2392, 25805), (2990, 20644), (3176, 19435), (3380, 18262), (3887, 15880), (3970, 15548), (5161, 11960), (5980, 10322), (6760, 9131), (7774, 7940)]