30820080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{457}}^1$

素因数の和:754

約数の個数: 80

約数和(自身を含む): 96092064

約数和(自身を除く): 65271984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 281, 457, 562, 843, 914, 1124, 1371, 1405, 1686, 1828, 2248, 2285, 2742, 2810, 3372, 3656, 4215, 4496, 4570, 5484, 5620, 6744, 6855, 7312, 8430, 9140, 10968, 11240, 13488, 13710, 16860, 18280, 21936, 22480, 27420, 33720, 36560, 54840, 67440, 109680, 128417, 256834, 385251, 513668, 642085, 770502, 1027336, 1284170, 1541004, 1926255, 2054672, 2568340, 3082008, 3852510, 5136680, 6164016, 7705020, 10273360, 15410040, 30820080]

約数ペア:

[(1, 30820080), (2, 15410040), (3, 10273360), (4, 7705020), (5, 6164016), (6, 5136680), (8, 3852510), (10, 3082008), (12, 2568340), (15, 2054672), (16, 1926255), (20, 1541004), (24, 1284170), (30, 1027336), (40, 770502), (48, 642085), (60, 513668), (80, 385251), (120, 256834), (240, 128417), (281, 109680), (457, 67440), (562, 54840), (843, 36560), (914, 33720), (1124, 27420), (1371, 22480), (1405, 21936), (1686, 18280), (1828, 16860), (2248, 13710), (2285, 13488), (2742, 11240), (2810, 10968), (3372, 9140), (3656, 8430), (4215, 7312), (4496, 6855), (4570, 6744), (5484, 5620)]