239510640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{997961}}^1$

素因数の和:997977

約数の個数: 40

約数和(自身を含む): 742483728

約数和(自身を除く): 502973088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 997961, 1995922, 2993883, 3991844, 4989805, 5987766, 7983688, 9979610, 11975532, 14969415, 15967376, 19959220, 23951064, 29938830, 39918440, 47902128, 59877660, 79836880, 119755320, 239510640]

約数ペア:

[(1, 239510640), (2, 119755320), (3, 79836880), (4, 59877660), (5, 47902128), (6, 39918440), (8, 29938830), (10, 23951064), (12, 19959220), (15, 15967376), (16, 14969415), (20, 11975532), (24, 9979610), (30, 7983688), (40, 5987766), (48, 4989805), (60, 3991844), (80, 2993883), (120, 1995922), (240, 997961)]