3221820

素因数分解:

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

素因数の和:2579

約数の個数: 72

約数和(自身を含む): 11173344

約数和(自身を除く): 7951524

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 2557, 5114, 7671, 10228, 12785, 15342, 17899, 23013, 25570, 30684, 35798, 38355, 46026, 51140, 53697, 71596, 76710, 89495, 92052, 107394, 115065, 153420, 161091, 178990, 214788, 230130, 268485, 322182, 357980, 460260, 536970, 644364, 805455, 1073940, 1610910, 3221820]

約数ペア:

[(1, 3221820), (2, 1610910), (3, 1073940), (4, 805455), (5, 644364), (6, 536970), (7, 460260), (9, 357980), (10, 322182), (12, 268485), (14, 230130), (15, 214788), (18, 178990), (20, 161091), (21, 153420), (28, 115065), (30, 107394), (35, 92052), (36, 89495), (42, 76710), (45, 71596), (60, 53697), (63, 51140), (70, 46026), (84, 38355), (90, 35798), (105, 30684), (126, 25570), (140, 23013), (180, 17899), (210, 15342), (252, 12785), (315, 10228), (420, 7671), (630, 5114), (1260, 2557)]