15692740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 39070080

約数和(自身を除く): 23377340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 134, 140, 196, 239, 245, 268, 335, 469, 478, 490, 670, 938, 956, 980, 1195, 1340, 1673, 1876, 2345, 2390, 3283, 3346, 4690, 4780, 6566, 6692, 8365, 9380, 11711, 13132, 16013, 16415, 16730, 23422, 32026, 32830, 33460, 46844, 58555, 64052, 65660, 80065, 112091, 117110, 160130, 224182, 234220, 320260, 448364, 560455, 784637, 1120910, 1569274, 2241820, 3138548, 3923185, 7846370, 15692740]

約数ペア:

[(1, 15692740), (2, 7846370), (4, 3923185), (5, 3138548), (7, 2241820), (10, 1569274), (14, 1120910), (20, 784637), (28, 560455), (35, 448364), (49, 320260), (67, 234220), (70, 224182), (98, 160130), (134, 117110), (140, 112091), (196, 80065), (239, 65660), (245, 64052), (268, 58555), (335, 46844), (469, 33460), (478, 32830), (490, 32026), (670, 23422), (938, 16730), (956, 16415), (980, 16013), (1195, 13132), (1340, 11711), (1673, 9380), (1876, 8365), (2345, 6692), (2390, 6566), (3283, 4780), (3346, 4690)]