2147880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{2557}}^1$

素因数の和:2578

約数の個数: 64

約数和(自身を含む): 7367040

約数和(自身を除く): 5219160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 2557, 5114, 7671, 10228, 12785, 15342, 17899, 20456, 25570, 30684, 35798, 38355, 51140, 53697, 61368, 71596, 76710, 89495, 102280, 107394, 143192, 153420, 178990, 214788, 268485, 306840, 357980, 429576, 536970, 715960, 1073940, 2147880]

約数ペア:

[(1, 2147880), (2, 1073940), (3, 715960), (4, 536970), (5, 429576), (6, 357980), (7, 306840), (8, 268485), (10, 214788), (12, 178990), (14, 153420), (15, 143192), (20, 107394), (21, 102280), (24, 89495), (28, 76710), (30, 71596), (35, 61368), (40, 53697), (42, 51140), (56, 38355), (60, 35798), (70, 30684), (84, 25570), (105, 20456), (120, 17899), (140, 15342), (168, 12785), (210, 10228), (280, 7671), (420, 5114), (840, 2557)]