61590900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:374

約数の個数: 144

約数和(自身を含む): 206097920

約数和(自身を除く): 144507020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 139, 140, 150, 175, 210, 211, 278, 300, 350, 417, 420, 422, 525, 556, 633, 695, 700, 834, 844, 973, 1050, 1055, 1266, 1390, 1477, 1668, 1946, 2085, 2100, 2110, 2532, 2780, 2919, 2954, 3165, 3475, 3892, 4170, 4220, 4431, 4865, 5275, 5838, 5908, 6330, 6950, 7385, 8340, 8862, 9730, 10425, 10550, 11676, 12660, 13900, 14595, 14770, 15825, 17724, 19460, 20850, 21100, 22155, 24325, 29190, 29329, 29540, 31650, 36925, 41700, 44310, 48650, 58380, 58658, 63300, 72975, 73850, 87987, 88620, 97300, 110775, 117316, 145950, 146645, 147700, 175974, 205303, 221550, 291900, 293290, 351948, 410606, 439935, 443100, 586580, 615909, 733225, 821212, 879870, 1026515, 1231818, 1466450, 1759740, 2053030, 2199675, 2463636, 2932900, 3079545, 4106060, 4399350, 5132575, 6159090, 8798700, 10265150, 12318180, 15397725, 20530300, 30795450, 61590900]

約数ペア:

[(1, 61590900), (2, 30795450), (3, 20530300), (4, 15397725), (5, 12318180), (6, 10265150), (7, 8798700), (10, 6159090), (12, 5132575), (14, 4399350), (15, 4106060), (20, 3079545), (21, 2932900), (25, 2463636), (28, 2199675), (30, 2053030), (35, 1759740), (42, 1466450), (50, 1231818), (60, 1026515), (70, 879870), (75, 821212), (84, 733225), (100, 615909), (105, 586580), (139, 443100), (140, 439935), (150, 410606), (175, 351948), (210, 293290), (211, 291900), (278, 221550), (300, 205303), (350, 175974), (417, 147700), (420, 146645), (422, 145950), (525, 117316), (556, 110775), (633, 97300), (695, 88620), (700, 87987), (834, 73850), (844, 72975), (973, 63300), (1050, 58658), (1055, 58380), (1266, 48650), (1390, 44310), (1477, 41700), (1668, 36925), (1946, 31650), (2085, 29540), (2100, 29329), (2110, 29190), (2532, 24325), (2780, 22155), (2919, 21100), (2954, 20850), (3165, 19460), (3475, 17724), (3892, 15825), (4170, 14770), (4220, 14595), (4431, 13900), (4865, 12660), (5275, 11676), (5838, 10550), (5908, 10425), (6330, 9730), (6950, 8862), (7385, 8340)]