2810640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{239}}^1$

素因数の和:269

約数の個数: 120

約数和(自身を含む): 10177920

約数和(自身を除く): 7367280

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, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 239, 240, 245, 280, 294, 336, 392, 420, 478, 490, 560, 588, 717, 735, 784, 840, 956, 980, 1176, 1195, 1434, 1470, 1673, 1680, 1912, 1960, 2352, 2390, 2868, 2940, 3346, 3585, 3824, 3920, 4780, 5019, 5736, 5880, 6692, 7170, 8365, 9560, 10038, 11472, 11711, 11760, 13384, 14340, 16730, 19120, 20076, 23422, 25095, 26768, 28680, 33460, 35133, 40152, 46844, 50190, 57360, 58555, 66920, 70266, 80304, 93688, 100380, 117110, 133840, 140532, 175665, 187376, 200760, 234220, 281064, 351330, 401520, 468440, 562128, 702660, 936880, 1405320, 2810640]

約数ペア:

[(1, 2810640), (2, 1405320), (3, 936880), (4, 702660), (5, 562128), (6, 468440), (7, 401520), (8, 351330), (10, 281064), (12, 234220), (14, 200760), (15, 187376), (16, 175665), (20, 140532), (21, 133840), (24, 117110), (28, 100380), (30, 93688), (35, 80304), (40, 70266), (42, 66920), (48, 58555), (49, 57360), (56, 50190), (60, 46844), (70, 40152), (80, 35133), (84, 33460), (98, 28680), (105, 26768), (112, 25095), (120, 23422), (140, 20076), (147, 19120), (168, 16730), (196, 14340), (210, 13384), (239, 11760), (240, 11711), (245, 11472), (280, 10038), (294, 9560), (336, 8365), (392, 7170), (420, 6692), (478, 5880), (490, 5736), (560, 5019), (588, 4780), (717, 3920), (735, 3824), (784, 3585), (840, 3346), (956, 2940), (980, 2868), (1176, 2390), (1195, 2352), (1434, 1960), (1470, 1912), (1673, 1680)]