204897840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{121963}}^1$

素因数の和:121986

約数の個数: 80

約数和(自身を含む): 725929728

約数和(自身を除く): 521031888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 121963, 243926, 365889, 487852, 609815, 731778, 853741, 975704, 1219630, 1463556, 1707482, 1829445, 1951408, 2439260, 2561223, 2927112, 3414964, 3658890, 4268705, 4878520, 5122446, 5854224, 6829928, 7317780, 8537410, 9757040, 10244892, 12806115, 13659856, 14635560, 17074820, 20489784, 25612230, 29271120, 34149640, 40979568, 51224460, 68299280, 102448920, 204897840]

約数ペア:

[(1, 204897840), (2, 102448920), (3, 68299280), (4, 51224460), (5, 40979568), (6, 34149640), (7, 29271120), (8, 25612230), (10, 20489784), (12, 17074820), (14, 14635560), (15, 13659856), (16, 12806115), (20, 10244892), (21, 9757040), (24, 8537410), (28, 7317780), (30, 6829928), (35, 5854224), (40, 5122446), (42, 4878520), (48, 4268705), (56, 3658890), (60, 3414964), (70, 2927112), (80, 2561223), (84, 2439260), (105, 1951408), (112, 1829445), (120, 1707482), (140, 1463556), (168, 1219630), (210, 975704), (240, 853741), (280, 731778), (336, 609815), (420, 487852), (560, 365889), (840, 243926), (1680, 121963)]