64603980

素因数分解:

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

素因数の和:248

約数の個数: 192

約数和(自身を含む): 233640960

約数和(自身を除く): 169036980

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, 729, 756, 810, 844, 945, 972, 1055, 1134, 1215, 1260, 1266, 1458, 1477, 1620, 1701, 1890, 1899, 2110, 2187, 2268, 2430, 2532, 2835, 2916, 2954, 3165, 3402, 3645, 3780, 3798, 4220, 4374, 4431, 4860, 5103, 5670, 5697, 5908, 6330, 6804, 7290, 7385, 7596, 8505, 8748, 8862, 9495, 10206, 10935, 11340, 11394, 12660, 13293, 14580, 14770, 15309, 17010, 17091, 17724, 18990, 20412, 21870, 22155, 22788, 25515, 26586, 28485, 29540, 30618, 34020, 34182, 37980, 39879, 43740, 44310, 51030, 51273, 53172, 56970, 61236, 66465, 68364, 76545, 79758, 85455, 88620, 102060, 102546, 113940, 119637, 132930, 153090, 153819, 159516, 170910, 199395, 205092, 239274, 256365, 265860, 306180, 307638, 341820, 358911, 398790, 461457, 478548, 512730, 598185, 615276, 717822, 769095, 797580, 922914, 1025460, 1076733, 1196370, 1435644, 1538190, 1794555, 1845828, 2153466, 2307285, 2392740, 3076380, 3230199, 3589110, 4306932, 4614570, 5383665, 6460398, 7178220, 9229140, 10767330, 12920796, 16150995, 21534660, 32301990, 64603980]

約数ペア:

[(1, 64603980), (2, 32301990), (3, 21534660), (4, 16150995), (5, 12920796), (6, 10767330), (7, 9229140), (9, 7178220), (10, 6460398), (12, 5383665), (14, 4614570), (15, 4306932), (18, 3589110), (20, 3230199), (21, 3076380), (27, 2392740), (28, 2307285), (30, 2153466), (35, 1845828), (36, 1794555), (42, 1538190), (45, 1435644), (54, 1196370), (60, 1076733), (63, 1025460), (70, 922914), (81, 797580), (84, 769095), (90, 717822), (105, 615276), (108, 598185), (126, 512730), (135, 478548), (140, 461457), (162, 398790), (180, 358911), (189, 341820), (210, 307638), (211, 306180), (243, 265860), (252, 256365), (270, 239274), (315, 205092), (324, 199395), (378, 170910), (405, 159516), (420, 153819), (422, 153090), (486, 132930), (540, 119637), (567, 113940), (630, 102546), (633, 102060), (729, 88620), (756, 85455), (810, 79758), (844, 76545), (945, 68364), (972, 66465), (1055, 61236), (1134, 56970), (1215, 53172), (1260, 51273), (1266, 51030), (1458, 44310), (1477, 43740), (1620, 39879), (1701, 37980), (1890, 34182), (1899, 34020), (2110, 30618), (2187, 29540), (2268, 28485), (2430, 26586), (2532, 25515), (2835, 22788), (2916, 22155), (2954, 21870), (3165, 20412), (3402, 18990), (3645, 17724), (3780, 17091), (3798, 17010), (4220, 15309), (4374, 14770), (4431, 14580), (4860, 13293), (5103, 12660), (5670, 11394), (5697, 11340), (5908, 10935), (6330, 10206), (6804, 9495), (7290, 8862), (7385, 8748), (7596, 8505)]