89891820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21713}}^1$

素因数の和:21751

約数の個数: 72

約数和(自身を含む): 284540256

約数和(自身を除く): 194648436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 21713, 43426, 65139, 86852, 108565, 130278, 195417, 217130, 260556, 325695, 390834, 434260, 499399, 651390, 781668, 977085, 998798, 1302780, 1498197, 1954170, 1997596, 2496995, 2996394, 3908340, 4494591, 4993990, 5992788, 7490985, 8989182, 9987980, 14981970, 17978364, 22472955, 29963940, 44945910, 89891820]

約数ペア:

[(1, 89891820), (2, 44945910), (3, 29963940), (4, 22472955), (5, 17978364), (6, 14981970), (9, 9987980), (10, 8989182), (12, 7490985), (15, 5992788), (18, 4993990), (20, 4494591), (23, 3908340), (30, 2996394), (36, 2496995), (45, 1997596), (46, 1954170), (60, 1498197), (69, 1302780), (90, 998798), (92, 977085), (115, 781668), (138, 651390), (180, 499399), (207, 434260), (230, 390834), (276, 325695), (345, 260556), (414, 217130), (460, 195417), (690, 130278), (828, 108565), (1035, 86852), (1380, 65139), (2070, 43426), (4140, 21713)]