25630980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 74995200

約数和(自身を除く): 49364220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 61, 94, 122, 141, 149, 183, 188, 235, 244, 282, 298, 305, 366, 447, 470, 564, 596, 610, 705, 732, 745, 894, 915, 940, 1220, 1410, 1490, 1788, 1830, 2235, 2820, 2867, 2980, 3660, 4470, 5734, 7003, 8601, 8940, 9089, 11468, 14006, 14335, 17202, 18178, 21009, 27267, 28012, 28670, 34404, 35015, 36356, 42018, 43005, 45445, 54534, 57340, 70030, 84036, 86010, 90890, 105045, 109068, 136335, 140060, 172020, 181780, 210090, 272670, 420180, 427183, 545340, 854366, 1281549, 1708732, 2135915, 2563098, 4271830, 5126196, 6407745, 8543660, 12815490, 25630980]

約数ペア:

[(1, 25630980), (2, 12815490), (3, 8543660), (4, 6407745), (5, 5126196), (6, 4271830), (10, 2563098), (12, 2135915), (15, 1708732), (20, 1281549), (30, 854366), (47, 545340), (60, 427183), (61, 420180), (94, 272670), (122, 210090), (141, 181780), (149, 172020), (183, 140060), (188, 136335), (235, 109068), (244, 105045), (282, 90890), (298, 86010), (305, 84036), (366, 70030), (447, 57340), (470, 54534), (564, 45445), (596, 43005), (610, 42018), (705, 36356), (732, 35015), (745, 34404), (894, 28670), (915, 28012), (940, 27267), (1220, 21009), (1410, 18178), (1490, 17202), (1788, 14335), (1830, 14006), (2235, 11468), (2820, 9089), (2867, 8940), (2980, 8601), (3660, 7003), (4470, 5734)]