305347520

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{30781}}^1$

素因数の和:30829

約数の個数: 56

約数和(自身を含む): 750588288

約数和(自身を除く): 445240768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 30781, 61562, 123124, 153905, 246248, 307810, 492496, 615620, 954211, 984992, 1231240, 1908422, 1969984, 2462480, 3816844, 4771055, 4924960, 7633688, 9542110, 9849920, 15267376, 19084220, 30534752, 38168440, 61069504, 76336880, 152673760, 305347520]

約数ペア:

[(1, 305347520), (2, 152673760), (4, 76336880), (5, 61069504), (8, 38168440), (10, 30534752), (16, 19084220), (20, 15267376), (31, 9849920), (32, 9542110), (40, 7633688), (62, 4924960), (64, 4771055), (80, 3816844), (124, 2462480), (155, 1969984), (160, 1908422), (248, 1231240), (310, 984992), (320, 954211), (496, 615620), (620, 492496), (992, 307810), (1240, 246248), (1984, 153905), (2480, 123124), (4960, 61562), (9920, 30781)]