31224720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{463}}^1$

素因数の和:760

約数の個数: 80

約数和(自身を含む): 97350912

約数和(自身を除く): 66126192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 281, 463, 562, 843, 926, 1124, 1389, 1405, 1686, 1852, 2248, 2315, 2778, 2810, 3372, 3704, 4215, 4496, 4630, 5556, 5620, 6744, 6945, 7408, 8430, 9260, 11112, 11240, 13488, 13890, 16860, 18520, 22224, 22480, 27780, 33720, 37040, 55560, 67440, 111120, 130103, 260206, 390309, 520412, 650515, 780618, 1040824, 1301030, 1561236, 1951545, 2081648, 2602060, 3122472, 3903090, 5204120, 6244944, 7806180, 10408240, 15612360, 31224720]

約数ペア:

[(1, 31224720), (2, 15612360), (3, 10408240), (4, 7806180), (5, 6244944), (6, 5204120), (8, 3903090), (10, 3122472), (12, 2602060), (15, 2081648), (16, 1951545), (20, 1561236), (24, 1301030), (30, 1040824), (40, 780618), (48, 650515), (60, 520412), (80, 390309), (120, 260206), (240, 130103), (281, 111120), (463, 67440), (562, 55560), (843, 37040), (926, 33720), (1124, 27780), (1389, 22480), (1405, 22224), (1686, 18520), (1852, 16860), (2248, 13890), (2315, 13488), (2778, 11240), (2810, 11112), (3372, 9260), (3704, 8430), (4215, 7408), (4496, 6945), (4630, 6744), (5556, 5620)]