80338320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{111581}}^1$

素因数の和:111600

約数の個数: 60

約数和(自身を含む): 269805276

約数和(自身を除く): 189466956

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 111581, 223162, 334743, 446324, 557905, 669486, 892648, 1004229, 1115810, 1338972, 1673715, 1785296, 2008458, 2231620, 2677944, 3347430, 4016916, 4463240, 5021145, 5355888, 6694860, 8033832, 8926480, 10042290, 13389720, 16067664, 20084580, 26779440, 40169160, 80338320]

約数ペア:

[(1, 80338320), (2, 40169160), (3, 26779440), (4, 20084580), (5, 16067664), (6, 13389720), (8, 10042290), (9, 8926480), (10, 8033832), (12, 6694860), (15, 5355888), (16, 5021145), (18, 4463240), (20, 4016916), (24, 3347430), (30, 2677944), (36, 2231620), (40, 2008458), (45, 1785296), (48, 1673715), (60, 1338972), (72, 1115810), (80, 1004229), (90, 892648), (120, 669486), (144, 557905), (180, 446324), (240, 334743), (360, 223162), (720, 111581)]