813466920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{6967}}^1$

素因数の和:7127

約数の個数: 128

約数和(自身を含む): 2809497600

約数和(自身を除く): 1996030680

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, 139, 140, 168, 210, 278, 280, 417, 420, 556, 695, 834, 840, 973, 1112, 1390, 1668, 1946, 2085, 2780, 2919, 3336, 3892, 4170, 4865, 5560, 5838, 6967, 7784, 8340, 9730, 11676, 13934, 14595, 16680, 19460, 20901, 23352, 27868, 29190, 34835, 38920, 41802, 48769, 55736, 58380, 69670, 83604, 97538, 104505, 116760, 139340, 146307, 167208, 195076, 209010, 243845, 278680, 292614, 390152, 418020, 487690, 585228, 731535, 836040, 968413, 975380, 1170456, 1463070, 1936826, 1950760, 2905239, 2926140, 3873652, 4842065, 5810478, 5852280, 6778891, 7747304, 9684130, 11620956, 13557782, 14526195, 19368260, 20336673, 23241912, 27115564, 29052390, 33894455, 38736520, 40673346, 54231128, 58104780, 67788910, 81346692, 101683365, 116209560, 135577820, 162693384, 203366730, 271155640, 406733460, 813466920]

約数ペア:

[(1, 813466920), (2, 406733460), (3, 271155640), (4, 203366730), (5, 162693384), (6, 135577820), (7, 116209560), (8, 101683365), (10, 81346692), (12, 67788910), (14, 58104780), (15, 54231128), (20, 40673346), (21, 38736520), (24, 33894455), (28, 29052390), (30, 27115564), (35, 23241912), (40, 20336673), (42, 19368260), (56, 14526195), (60, 13557782), (70, 11620956), (84, 9684130), (105, 7747304), (120, 6778891), (139, 5852280), (140, 5810478), (168, 4842065), (210, 3873652), (278, 2926140), (280, 2905239), (417, 1950760), (420, 1936826), (556, 1463070), (695, 1170456), (834, 975380), (840, 968413), (973, 836040), (1112, 731535), (1390, 585228), (1668, 487690), (1946, 418020), (2085, 390152), (2780, 292614), (2919, 278680), (3336, 243845), (3892, 209010), (4170, 195076), (4865, 167208), (5560, 146307), (5838, 139340), (6967, 116760), (7784, 104505), (8340, 97538), (9730, 83604), (11676, 69670), (13934, 58380), (14595, 55736), (16680, 48769), (19460, 41802), (20901, 38920), (23352, 34835), (27868, 29190)]