638100990

素因数分解:

$2^1\times 3^7\times 5^1\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:370

約数の個数: 128

約数和(自身を含む): 1742860800

約数和(自身を除く): 1104759810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 163, 179, 243, 270, 326, 358, 405, 486, 489, 537, 729, 810, 815, 895, 978, 1074, 1215, 1458, 1467, 1611, 1630, 1790, 2187, 2430, 2445, 2685, 2934, 3222, 3645, 4374, 4401, 4833, 4890, 5370, 7290, 7335, 8055, 8802, 9666, 10935, 13203, 14499, 14670, 16110, 21870, 22005, 24165, 26406, 28998, 29177, 39609, 43497, 44010, 48330, 58354, 66015, 72495, 79218, 86994, 87531, 118827, 130491, 132030, 144990, 145885, 175062, 198045, 217485, 237654, 260982, 262593, 291770, 356481, 391473, 396090, 434970, 437655, 525186, 594135, 652455, 712962, 782946, 787779, 875310, 1188270, 1304910, 1312965, 1575558, 1782405, 1957365, 2363337, 2625930, 3564810, 3914730, 3938895, 4726674, 7090011, 7877790, 11816685, 14180022, 21270033, 23633370, 35450055, 42540066, 63810099, 70900110, 106350165, 127620198, 212700330, 319050495, 638100990]

約数ペア:

[(1, 638100990), (2, 319050495), (3, 212700330), (5, 127620198), (6, 106350165), (9, 70900110), (10, 63810099), (15, 42540066), (18, 35450055), (27, 23633370), (30, 21270033), (45, 14180022), (54, 11816685), (81, 7877790), (90, 7090011), (135, 4726674), (162, 3938895), (163, 3914730), (179, 3564810), (243, 2625930), (270, 2363337), (326, 1957365), (358, 1782405), (405, 1575558), (486, 1312965), (489, 1304910), (537, 1188270), (729, 875310), (810, 787779), (815, 782946), (895, 712962), (978, 652455), (1074, 594135), (1215, 525186), (1458, 437655), (1467, 434970), (1611, 396090), (1630, 391473), (1790, 356481), (2187, 291770), (2430, 262593), (2445, 260982), (2685, 237654), (2934, 217485), (3222, 198045), (3645, 175062), (4374, 145885), (4401, 144990), (4833, 132030), (4890, 130491), (5370, 118827), (7290, 87531), (7335, 86994), (8055, 79218), (8802, 72495), (9666, 66015), (10935, 58354), (13203, 48330), (14499, 44010), (14670, 43497), (16110, 39609), (21870, 29177), (22005, 28998), (24165, 26406)]