213806040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{709}}^1$

素因数の和:1089

約数の個数: 128

約数和(自身を含む): 736128000

約数和(自身を除く): 522321960

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, 280, 359, 420, 709, 718, 840, 1077, 1418, 1436, 1795, 2127, 2154, 2513, 2836, 2872, 3545, 3590, 4254, 4308, 4963, 5026, 5385, 5672, 7090, 7180, 7539, 8508, 8616, 9926, 10052, 10635, 10770, 12565, 14180, 14360, 14889, 15078, 17016, 19852, 20104, 21270, 21540, 24815, 25130, 28360, 29778, 30156, 37695, 39704, 42540, 43080, 49630, 50260, 59556, 60312, 74445, 75390, 85080, 99260, 100520, 119112, 148890, 150780, 198520, 254531, 297780, 301560, 509062, 595560, 763593, 1018124, 1272655, 1527186, 1781717, 2036248, 2545310, 3054372, 3563434, 3817965, 5090620, 5345151, 6108744, 7126868, 7635930, 8908585, 10181240, 10690302, 14253736, 15271860, 17817170, 21380604, 26725755, 30543720, 35634340, 42761208, 53451510, 71268680, 106903020, 213806040]

約数ペア:

[(1, 213806040), (2, 106903020), (3, 71268680), (4, 53451510), (5, 42761208), (6, 35634340), (7, 30543720), (8, 26725755), (10, 21380604), (12, 17817170), (14, 15271860), (15, 14253736), (20, 10690302), (21, 10181240), (24, 8908585), (28, 7635930), (30, 7126868), (35, 6108744), (40, 5345151), (42, 5090620), (56, 3817965), (60, 3563434), (70, 3054372), (84, 2545310), (105, 2036248), (120, 1781717), (140, 1527186), (168, 1272655), (210, 1018124), (280, 763593), (359, 595560), (420, 509062), (709, 301560), (718, 297780), (840, 254531), (1077, 198520), (1418, 150780), (1436, 148890), (1795, 119112), (2127, 100520), (2154, 99260), (2513, 85080), (2836, 75390), (2872, 74445), (3545, 60312), (3590, 59556), (4254, 50260), (4308, 49630), (4963, 43080), (5026, 42540), (5385, 39704), (5672, 37695), (7090, 30156), (7180, 29778), (7539, 28360), (8508, 25130), (8616, 24815), (9926, 21540), (10052, 21270), (10635, 20104), (10770, 19852), (12565, 17016), (14180, 15078), (14360, 14889)]