28403640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{307}}^1$

素因数の和:581

約数の個数: 96

約数和(自身を含む): 92972880

約数和(自身を除く): 64569240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 257, 307, 360, 514, 614, 771, 921, 1028, 1228, 1285, 1535, 1542, 1842, 2056, 2313, 2456, 2570, 2763, 3070, 3084, 3684, 3855, 4605, 4626, 5140, 5526, 6140, 6168, 7368, 7710, 9210, 9252, 10280, 11052, 11565, 12280, 13815, 15420, 18420, 18504, 22104, 23130, 27630, 30840, 36840, 46260, 55260, 78899, 92520, 110520, 157798, 236697, 315596, 394495, 473394, 631192, 710091, 788990, 946788, 1183485, 1420182, 1577980, 1893576, 2366970, 2840364, 3155960, 3550455, 4733940, 5680728, 7100910, 9467880, 14201820, 28403640]

約数ペア:

[(1, 28403640), (2, 14201820), (3, 9467880), (4, 7100910), (5, 5680728), (6, 4733940), (8, 3550455), (9, 3155960), (10, 2840364), (12, 2366970), (15, 1893576), (18, 1577980), (20, 1420182), (24, 1183485), (30, 946788), (36, 788990), (40, 710091), (45, 631192), (60, 473394), (72, 394495), (90, 315596), (120, 236697), (180, 157798), (257, 110520), (307, 92520), (360, 78899), (514, 55260), (614, 46260), (771, 36840), (921, 30840), (1028, 27630), (1228, 23130), (1285, 22104), (1535, 18504), (1542, 18420), (1842, 15420), (2056, 13815), (2313, 12280), (2456, 11565), (2570, 11052), (2763, 10280), (3070, 9252), (3084, 9210), (3684, 7710), (3855, 7368), (4605, 6168), (4626, 6140), (5140, 5526)]