31485660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:491

約数の個数: 96

約数和(自身を含む): 94348800

約数和(自身を除く): 62863140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 71, 76, 95, 114, 142, 190, 213, 228, 284, 285, 355, 380, 389, 426, 570, 710, 778, 852, 1065, 1140, 1167, 1349, 1420, 1556, 1945, 2130, 2334, 2698, 3890, 4047, 4260, 4668, 5396, 5835, 6745, 7391, 7780, 8094, 11670, 13490, 14782, 16188, 20235, 22173, 23340, 26980, 27619, 29564, 36955, 40470, 44346, 55238, 73910, 80940, 82857, 88692, 110476, 110865, 138095, 147820, 165714, 221730, 276190, 331428, 414285, 443460, 524761, 552380, 828570, 1049522, 1574283, 1657140, 2099044, 2623805, 3148566, 5247610, 6297132, 7871415, 10495220, 15742830, 31485660]

約数ペア:

[(1, 31485660), (2, 15742830), (3, 10495220), (4, 7871415), (5, 6297132), (6, 5247610), (10, 3148566), (12, 2623805), (15, 2099044), (19, 1657140), (20, 1574283), (30, 1049522), (38, 828570), (57, 552380), (60, 524761), (71, 443460), (76, 414285), (95, 331428), (114, 276190), (142, 221730), (190, 165714), (213, 147820), (228, 138095), (284, 110865), (285, 110476), (355, 88692), (380, 82857), (389, 80940), (426, 73910), (570, 55238), (710, 44346), (778, 40470), (852, 36955), (1065, 29564), (1140, 27619), (1167, 26980), (1349, 23340), (1420, 22173), (1556, 20235), (1945, 16188), (2130, 14782), (2334, 13490), (2698, 11670), (3890, 8094), (4047, 7780), (4260, 7391), (4668, 6745), (5396, 5835)]