642368640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2131}}^1$

素因数の和:2310

約数の個数: 128

約数和(自身を含む): 2061558720

約数和(自身を除く): 1419190080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 157, 160, 192, 240, 314, 320, 384, 471, 480, 628, 640, 785, 942, 960, 1256, 1570, 1884, 1920, 2131, 2355, 2512, 3140, 3768, 4262, 4710, 5024, 6280, 6393, 7536, 8524, 9420, 10048, 10655, 12560, 12786, 15072, 17048, 18840, 20096, 21310, 25120, 25572, 30144, 31965, 34096, 37680, 42620, 50240, 51144, 60288, 63930, 68192, 75360, 85240, 100480, 102288, 127860, 136384, 150720, 170480, 204576, 255720, 272768, 301440, 334567, 340960, 409152, 511440, 669134, 681920, 818304, 1003701, 1022880, 1338268, 1363840, 1672835, 2007402, 2045760, 2676536, 3345670, 4014804, 4091520, 5018505, 5353072, 6691340, 8029608, 10037010, 10706144, 13382680, 16059216, 20074020, 21412288, 26765360, 32118432, 40148040, 42824576, 53530720, 64236864, 80296080, 107061440, 128473728, 160592160, 214122880, 321184320, 642368640]

約数ペア:

[(1, 642368640), (2, 321184320), (3, 214122880), (4, 160592160), (5, 128473728), (6, 107061440), (8, 80296080), (10, 64236864), (12, 53530720), (15, 42824576), (16, 40148040), (20, 32118432), (24, 26765360), (30, 21412288), (32, 20074020), (40, 16059216), (48, 13382680), (60, 10706144), (64, 10037010), (80, 8029608), (96, 6691340), (120, 5353072), (128, 5018505), (157, 4091520), (160, 4014804), (192, 3345670), (240, 2676536), (314, 2045760), (320, 2007402), (384, 1672835), (471, 1363840), (480, 1338268), (628, 1022880), (640, 1003701), (785, 818304), (942, 681920), (960, 669134), (1256, 511440), (1570, 409152), (1884, 340960), (1920, 334567), (2131, 301440), (2355, 272768), (2512, 255720), (3140, 204576), (3768, 170480), (4262, 150720), (4710, 136384), (5024, 127860), (6280, 102288), (6393, 100480), (7536, 85240), (8524, 75360), (9420, 68192), (10048, 63930), (10655, 60288), (12560, 51144), (12786, 50240), (15072, 42620), (17048, 37680), (18840, 34096), (20096, 31965), (21310, 30144), (25120, 25572)]