221266920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1093}}^1$

素因数の和:1355

約数の個数: 128

約数和(自身を含む): 762474240

約数和(自身を除く): 541207320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 241, 280, 420, 482, 723, 840, 964, 1093, 1205, 1446, 1687, 1928, 2186, 2410, 2892, 3279, 3374, 3615, 4372, 4820, 5061, 5465, 5784, 6558, 6748, 7230, 7651, 8435, 8744, 9640, 10122, 10930, 13116, 13496, 14460, 15302, 16395, 16870, 20244, 21860, 22953, 25305, 26232, 28920, 30604, 32790, 33740, 38255, 40488, 43720, 45906, 50610, 61208, 65580, 67480, 76510, 91812, 101220, 114765, 131160, 153020, 183624, 202440, 229530, 263413, 306040, 459060, 526826, 790239, 918120, 1053652, 1317065, 1580478, 1843891, 2107304, 2634130, 3160956, 3687782, 3951195, 5268260, 5531673, 6321912, 7375564, 7902390, 9219455, 10536520, 11063346, 14751128, 15804780, 18438910, 22126692, 27658365, 31609560, 36877820, 44253384, 55316730, 73755640, 110633460, 221266920]

約数ペア:

[(1, 221266920), (2, 110633460), (3, 73755640), (4, 55316730), (5, 44253384), (6, 36877820), (7, 31609560), (8, 27658365), (10, 22126692), (12, 18438910), (14, 15804780), (15, 14751128), (20, 11063346), (21, 10536520), (24, 9219455), (28, 7902390), (30, 7375564), (35, 6321912), (40, 5531673), (42, 5268260), (56, 3951195), (60, 3687782), (70, 3160956), (84, 2634130), (105, 2107304), (120, 1843891), (140, 1580478), (168, 1317065), (210, 1053652), (241, 918120), (280, 790239), (420, 526826), (482, 459060), (723, 306040), (840, 263413), (964, 229530), (1093, 202440), (1205, 183624), (1446, 153020), (1687, 131160), (1928, 114765), (2186, 101220), (2410, 91812), (2892, 76510), (3279, 67480), (3374, 65580), (3615, 61208), (4372, 50610), (4820, 45906), (5061, 43720), (5465, 40488), (5784, 38255), (6558, 33740), (6748, 32790), (7230, 30604), (7651, 28920), (8435, 26232), (8744, 25305), (9640, 22953), (10122, 21860), (10930, 20244), (13116, 16870), (13496, 16395), (14460, 15302)]