18825240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:401

約数の個数: 128

約数和(自身を含む): 65640960

約数和(自身を除く): 46815720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 73, 84, 105, 120, 140, 146, 168, 210, 219, 280, 292, 307, 365, 420, 438, 511, 584, 614, 730, 840, 876, 921, 1022, 1095, 1228, 1460, 1533, 1535, 1752, 1842, 2044, 2149, 2190, 2456, 2555, 2920, 3066, 3070, 3684, 4088, 4298, 4380, 4605, 5110, 6132, 6140, 6447, 7368, 7665, 8596, 8760, 9210, 10220, 10745, 12264, 12280, 12894, 15330, 17192, 18420, 20440, 21490, 22411, 25788, 30660, 32235, 36840, 42980, 44822, 51576, 61320, 64470, 67233, 85960, 89644, 112055, 128940, 134466, 156877, 179288, 224110, 257880, 268932, 313754, 336165, 448220, 470631, 537864, 627508, 672330, 784385, 896440, 941262, 1255016, 1344660, 1568770, 1882524, 2353155, 2689320, 3137540, 3765048, 4706310, 6275080, 9412620, 18825240]

約数ペア:

[(1, 18825240), (2, 9412620), (3, 6275080), (4, 4706310), (5, 3765048), (6, 3137540), (7, 2689320), (8, 2353155), (10, 1882524), (12, 1568770), (14, 1344660), (15, 1255016), (20, 941262), (21, 896440), (24, 784385), (28, 672330), (30, 627508), (35, 537864), (40, 470631), (42, 448220), (56, 336165), (60, 313754), (70, 268932), (73, 257880), (84, 224110), (105, 179288), (120, 156877), (140, 134466), (146, 128940), (168, 112055), (210, 89644), (219, 85960), (280, 67233), (292, 64470), (307, 61320), (365, 51576), (420, 44822), (438, 42980), (511, 36840), (584, 32235), (614, 30660), (730, 25788), (840, 22411), (876, 21490), (921, 20440), (1022, 18420), (1095, 17192), (1228, 15330), (1460, 12894), (1533, 12280), (1535, 12264), (1752, 10745), (1842, 10220), (2044, 9210), (2149, 8760), (2190, 8596), (2456, 7665), (2555, 7368), (2920, 6447), (3066, 6140), (3070, 6132), (3684, 5110), (4088, 4605), (4298, 4380)]