254341560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4481}}^1$

素因数の和:4549

約数の個数: 128

約数和(自身を含む): 851938560

約数和(自身を除く): 597597000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 43, 44, 55, 60, 66, 86, 88, 110, 120, 129, 132, 165, 172, 215, 220, 258, 264, 330, 344, 430, 440, 473, 516, 645, 660, 860, 946, 1032, 1290, 1320, 1419, 1720, 1892, 2365, 2580, 2838, 3784, 4481, 4730, 5160, 5676, 7095, 8962, 9460, 11352, 13443, 14190, 17924, 18920, 22405, 26886, 28380, 35848, 44810, 49291, 53772, 56760, 67215, 89620, 98582, 107544, 134430, 147873, 179240, 192683, 197164, 246455, 268860, 295746, 385366, 394328, 492910, 537720, 578049, 591492, 739365, 770732, 963415, 985820, 1156098, 1182984, 1478730, 1541464, 1926830, 1971640, 2119513, 2312196, 2890245, 2957460, 3853660, 4239026, 4624392, 5780490, 5914920, 6358539, 7707320, 8478052, 10597565, 11560980, 12717078, 16956104, 21195130, 23121960, 25434156, 31792695, 42390260, 50868312, 63585390, 84780520, 127170780, 254341560]

約数ペア:

[(1, 254341560), (2, 127170780), (3, 84780520), (4, 63585390), (5, 50868312), (6, 42390260), (8, 31792695), (10, 25434156), (11, 23121960), (12, 21195130), (15, 16956104), (20, 12717078), (22, 11560980), (24, 10597565), (30, 8478052), (33, 7707320), (40, 6358539), (43, 5914920), (44, 5780490), (55, 4624392), (60, 4239026), (66, 3853660), (86, 2957460), (88, 2890245), (110, 2312196), (120, 2119513), (129, 1971640), (132, 1926830), (165, 1541464), (172, 1478730), (215, 1182984), (220, 1156098), (258, 985820), (264, 963415), (330, 770732), (344, 739365), (430, 591492), (440, 578049), (473, 537720), (516, 492910), (645, 394328), (660, 385366), (860, 295746), (946, 268860), (1032, 246455), (1290, 197164), (1320, 192683), (1419, 179240), (1720, 147873), (1892, 134430), (2365, 107544), (2580, 98582), (2838, 89620), (3784, 67215), (4481, 56760), (4730, 53772), (5160, 49291), (5676, 44810), (7095, 35848), (8962, 28380), (9460, 26886), (11352, 22405), (13443, 18920), (14190, 17924)]