7145880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 25159680

約数和(自身を除く): 18013800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 181, 188, 210, 235, 280, 282, 329, 362, 376, 420, 470, 543, 564, 658, 705, 724, 840, 905, 940, 987, 1086, 1128, 1267, 1316, 1410, 1448, 1645, 1810, 1880, 1974, 2172, 2534, 2632, 2715, 2820, 3290, 3620, 3801, 3948, 4344, 4935, 5068, 5430, 5640, 6335, 6580, 7240, 7602, 7896, 8507, 9870, 10136, 10860, 12670, 13160, 15204, 17014, 19005, 19740, 21720, 25340, 25521, 30408, 34028, 38010, 39480, 42535, 50680, 51042, 59549, 68056, 76020, 85070, 102084, 119098, 127605, 152040, 170140, 178647, 204168, 238196, 255210, 297745, 340280, 357294, 476392, 510420, 595490, 714588, 893235, 1020840, 1190980, 1429176, 1786470, 2381960, 3572940, 7145880]

約数ペア:

[(1, 7145880), (2, 3572940), (3, 2381960), (4, 1786470), (5, 1429176), (6, 1190980), (7, 1020840), (8, 893235), (10, 714588), (12, 595490), (14, 510420), (15, 476392), (20, 357294), (21, 340280), (24, 297745), (28, 255210), (30, 238196), (35, 204168), (40, 178647), (42, 170140), (47, 152040), (56, 127605), (60, 119098), (70, 102084), (84, 85070), (94, 76020), (105, 68056), (120, 59549), (140, 51042), (141, 50680), (168, 42535), (181, 39480), (188, 38010), (210, 34028), (235, 30408), (280, 25521), (282, 25340), (329, 21720), (362, 19740), (376, 19005), (420, 17014), (470, 15204), (543, 13160), (564, 12670), (658, 10860), (705, 10136), (724, 9870), (840, 8507), (905, 7896), (940, 7602), (987, 7240), (1086, 6580), (1128, 6335), (1267, 5640), (1316, 5430), (1410, 5068), (1448, 4935), (1645, 4344), (1810, 3948), (1880, 3801), (1974, 3620), (2172, 3290), (2534, 2820), (2632, 2715)]