15783880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{8053}}^1$

素因数の和:8078

約数の個数: 48

約数和(自身を含む): 41317020

約数和(自身を除く): 25533140

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 8053, 16106, 32212, 40265, 56371, 64424, 80530, 112742, 161060, 225484, 281855, 322120, 394597, 450968, 563710, 789194, 1127420, 1578388, 1972985, 2254840, 3156776, 3945970, 7891940, 15783880]

約数ペア:

[(1, 15783880), (2, 7891940), (4, 3945970), (5, 3156776), (7, 2254840), (8, 1972985), (10, 1578388), (14, 1127420), (20, 789194), (28, 563710), (35, 450968), (40, 394597), (49, 322120), (56, 281855), (70, 225484), (98, 161060), (140, 112742), (196, 80530), (245, 64424), (280, 56371), (392, 40265), (490, 32212), (980, 16106), (1960, 8053)]