220320240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{131143}}^1$

素因数の和:131166

約数の個数: 80

約数和(自身を含む): 780569088

約数和(自身を除く): 560248848

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 131143, 262286, 393429, 524572, 655715, 786858, 918001, 1049144, 1311430, 1573716, 1836002, 1967145, 2098288, 2622860, 2754003, 3147432, 3672004, 3934290, 4590005, 5245720, 5508006, 6294864, 7344008, 7868580, 9180010, 10491440, 11016012, 13770015, 14688016, 15737160, 18360020, 22032024, 27540030, 31474320, 36720040, 44064048, 55080060, 73440080, 110160120, 220320240]

約数ペア:

[(1, 220320240), (2, 110160120), (3, 73440080), (4, 55080060), (5, 44064048), (6, 36720040), (7, 31474320), (8, 27540030), (10, 22032024), (12, 18360020), (14, 15737160), (15, 14688016), (16, 13770015), (20, 11016012), (21, 10491440), (24, 9180010), (28, 7868580), (30, 7344008), (35, 6294864), (40, 5508006), (42, 5245720), (48, 4590005), (56, 3934290), (60, 3672004), (70, 3147432), (80, 2754003), (84, 2622860), (105, 2098288), (112, 1967145), (120, 1836002), (140, 1573716), (168, 1311430), (210, 1049144), (240, 918001), (280, 786858), (336, 655715), (420, 524572), (560, 393429), (840, 262286), (1680, 131143)]