661263288

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{383}}^1$

素因数の和:681

約数の個数: 128

約数和(自身を含む): 1946419200

約数和(自身を除く): 1285155912

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 84, 86, 129, 168, 172, 239, 258, 301, 344, 383, 478, 516, 602, 717, 766, 903, 956, 1032, 1149, 1204, 1434, 1532, 1673, 1806, 1912, 2298, 2408, 2681, 2868, 3064, 3346, 3612, 4596, 5019, 5362, 5736, 6692, 7224, 8043, 9192, 10038, 10277, 10724, 13384, 16086, 16469, 20076, 20554, 21448, 30831, 32172, 32938, 40152, 41108, 49407, 61662, 64344, 65876, 71939, 82216, 91537, 98814, 115283, 123324, 131752, 143878, 183074, 197628, 215817, 230566, 246648, 274611, 287756, 345849, 366148, 395256, 431634, 461132, 549222, 575512, 640759, 691698, 732296, 863268, 922264, 1098444, 1281518, 1383396, 1726536, 1922277, 2196888, 2563036, 2766792, 3844554, 3936091, 5126072, 7689108, 7872182, 11808273, 15378216, 15744364, 23616546, 27552637, 31488728, 47233092, 55105274, 82657911, 94466184, 110210548, 165315822, 220421096, 330631644, 661263288]

約数ペア:

[(1, 661263288), (2, 330631644), (3, 220421096), (4, 165315822), (6, 110210548), (7, 94466184), (8, 82657911), (12, 55105274), (14, 47233092), (21, 31488728), (24, 27552637), (28, 23616546), (42, 15744364), (43, 15378216), (56, 11808273), (84, 7872182), (86, 7689108), (129, 5126072), (168, 3936091), (172, 3844554), (239, 2766792), (258, 2563036), (301, 2196888), (344, 1922277), (383, 1726536), (478, 1383396), (516, 1281518), (602, 1098444), (717, 922264), (766, 863268), (903, 732296), (956, 691698), (1032, 640759), (1149, 575512), (1204, 549222), (1434, 461132), (1532, 431634), (1673, 395256), (1806, 366148), (1912, 345849), (2298, 287756), (2408, 274611), (2681, 246648), (2868, 230566), (3064, 215817), (3346, 197628), (3612, 183074), (4596, 143878), (5019, 131752), (5362, 123324), (5736, 115283), (6692, 98814), (7224, 91537), (8043, 82216), (9192, 71939), (10038, 65876), (10277, 64344), (10724, 61662), (13384, 49407), (16086, 41108), (16469, 40152), (20076, 32938), (20554, 32172), (21448, 30831)]