7178220

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{211}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 25928448

約数和(自身を除く): 18750228

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 211, 243, 252, 270, 315, 324, 378, 405, 420, 422, 486, 540, 567, 630, 633, 756, 810, 844, 945, 972, 1055, 1134, 1215, 1260, 1266, 1477, 1620, 1701, 1890, 1899, 2110, 2268, 2430, 2532, 2835, 2954, 3165, 3402, 3780, 3798, 4220, 4431, 4860, 5670, 5697, 5908, 6330, 6804, 7385, 7596, 8505, 8862, 9495, 11340, 11394, 12660, 13293, 14770, 17010, 17091, 17724, 18990, 22155, 22788, 26586, 28485, 29540, 34020, 34182, 37980, 39879, 44310, 51273, 53172, 56970, 66465, 68364, 79758, 85455, 88620, 102546, 113940, 119637, 132930, 159516, 170910, 199395, 205092, 239274, 256365, 265860, 341820, 358911, 398790, 478548, 512730, 598185, 717822, 797580, 1025460, 1196370, 1435644, 1794555, 2392740, 3589110, 7178220]

約数ペア:

[(1, 7178220), (2, 3589110), (3, 2392740), (4, 1794555), (5, 1435644), (6, 1196370), (7, 1025460), (9, 797580), (10, 717822), (12, 598185), (14, 512730), (15, 478548), (18, 398790), (20, 358911), (21, 341820), (27, 265860), (28, 256365), (30, 239274), (35, 205092), (36, 199395), (42, 170910), (45, 159516), (54, 132930), (60, 119637), (63, 113940), (70, 102546), (81, 88620), (84, 85455), (90, 79758), (105, 68364), (108, 66465), (126, 56970), (135, 53172), (140, 51273), (162, 44310), (180, 39879), (189, 37980), (210, 34182), (211, 34020), (243, 29540), (252, 28485), (270, 26586), (315, 22788), (324, 22155), (378, 18990), (405, 17724), (420, 17091), (422, 17010), (486, 14770), (540, 13293), (567, 12660), (630, 11394), (633, 11340), (756, 9495), (810, 8862), (844, 8505), (945, 7596), (972, 7385), (1055, 6804), (1134, 6330), (1215, 5908), (1260, 5697), (1266, 5670), (1477, 4860), (1620, 4431), (1701, 4220), (1890, 3798), (1899, 3780), (2110, 3402), (2268, 3165), (2430, 2954), (2532, 2835)]