28147080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18043}}^1$

素因数の和:18070

約数の個数: 64

約数和(自身を含む): 90941760

約数和(自身を除く): 62794680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 18043, 36086, 54129, 72172, 90215, 108258, 144344, 180430, 216516, 234559, 270645, 360860, 433032, 469118, 541290, 703677, 721720, 938236, 1082580, 1172795, 1407354, 1876472, 2165160, 2345590, 2814708, 3518385, 4691180, 5629416, 7036770, 9382360, 14073540, 28147080]

約数ペア:

[(1, 28147080), (2, 14073540), (3, 9382360), (4, 7036770), (5, 5629416), (6, 4691180), (8, 3518385), (10, 2814708), (12, 2345590), (13, 2165160), (15, 1876472), (20, 1407354), (24, 1172795), (26, 1082580), (30, 938236), (39, 721720), (40, 703677), (52, 541290), (60, 469118), (65, 433032), (78, 360860), (104, 270645), (120, 234559), (130, 216516), (156, 180430), (195, 144344), (260, 108258), (312, 90215), (390, 72172), (520, 54129), (780, 36086), (1560, 18043)]