618840

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{191}}^1$

素因数の和:214

約数の個数: 80

約数和(自身を含む): 2090880

約数和(自身を除く): 1472040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 191, 216, 270, 324, 360, 382, 405, 540, 573, 648, 764, 810, 955, 1080, 1146, 1528, 1620, 1719, 1910, 2292, 2865, 3240, 3438, 3820, 4584, 5157, 5730, 6876, 7640, 8595, 10314, 11460, 13752, 15471, 17190, 20628, 22920, 25785, 30942, 34380, 41256, 51570, 61884, 68760, 77355, 103140, 123768, 154710, 206280, 309420, 618840]

約数ペア:

[(1, 618840), (2, 309420), (3, 206280), (4, 154710), (5, 123768), (6, 103140), (8, 77355), (9, 68760), (10, 61884), (12, 51570), (15, 41256), (18, 34380), (20, 30942), (24, 25785), (27, 22920), (30, 20628), (36, 17190), (40, 15471), (45, 13752), (54, 11460), (60, 10314), (72, 8595), (81, 7640), (90, 6876), (108, 5730), (120, 5157), (135, 4584), (162, 3820), (180, 3438), (191, 3240), (216, 2865), (270, 2292), (324, 1910), (360, 1719), (382, 1620), (405, 1528), (540, 1146), (573, 1080), (648, 955), (764, 810)]