18738480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{479}}^1$

素因数の和:658

約数の個数: 80

約数和(自身を含む): 58567680

約数和(自身を除く): 39829200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 163, 240, 326, 479, 489, 652, 815, 958, 978, 1304, 1437, 1630, 1916, 1956, 2395, 2445, 2608, 2874, 3260, 3832, 3912, 4790, 4890, 5748, 6520, 7185, 7664, 7824, 9580, 9780, 11496, 13040, 14370, 19160, 19560, 22992, 28740, 38320, 39120, 57480, 78077, 114960, 156154, 234231, 312308, 390385, 468462, 624616, 780770, 936924, 1171155, 1249232, 1561540, 1873848, 2342310, 3123080, 3747696, 4684620, 6246160, 9369240, 18738480]

約数ペア:

[(1, 18738480), (2, 9369240), (3, 6246160), (4, 4684620), (5, 3747696), (6, 3123080), (8, 2342310), (10, 1873848), (12, 1561540), (15, 1249232), (16, 1171155), (20, 936924), (24, 780770), (30, 624616), (40, 468462), (48, 390385), (60, 312308), (80, 234231), (120, 156154), (163, 114960), (240, 78077), (326, 57480), (479, 39120), (489, 38320), (652, 28740), (815, 22992), (958, 19560), (978, 19160), (1304, 14370), (1437, 13040), (1630, 11496), (1916, 9780), (1956, 9580), (2395, 7824), (2445, 7664), (2608, 7185), (2874, 6520), (3260, 5748), (3832, 4890), (3912, 4790)]