868980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2069}}^1$

素因数の和:2088

約数の個数: 48

約数和(自身を含む): 2782080

約数和(自身を除く): 1913100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 2069, 4138, 6207, 8276, 10345, 12414, 14483, 20690, 24828, 28966, 31035, 41380, 43449, 57932, 62070, 72415, 86898, 124140, 144830, 173796, 217245, 289660, 434490, 868980]

約数ペア:

[(1, 868980), (2, 434490), (3, 289660), (4, 217245), (5, 173796), (6, 144830), (7, 124140), (10, 86898), (12, 72415), (14, 62070), (15, 57932), (20, 43449), (21, 41380), (28, 31035), (30, 28966), (35, 24828), (42, 20690), (60, 14483), (70, 12414), (84, 10345), (105, 8276), (140, 6207), (210, 4138), (420, 2069)]