15647240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:135

約数の個数: 128

約数和(自身を含む): 43545600

約数和(自身を除く): 27898360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 41, 47, 56, 58, 70, 82, 94, 116, 140, 145, 164, 188, 203, 205, 232, 235, 280, 287, 290, 328, 329, 376, 406, 410, 470, 574, 580, 658, 812, 820, 940, 1015, 1148, 1160, 1189, 1316, 1363, 1435, 1624, 1640, 1645, 1880, 1927, 2030, 2296, 2378, 2632, 2726, 2870, 3290, 3854, 4060, 4756, 5452, 5740, 5945, 6580, 6815, 7708, 8120, 8323, 9512, 9541, 9635, 10904, 11480, 11890, 13160, 13489, 13630, 15416, 16646, 19082, 19270, 23780, 26978, 27260, 33292, 38164, 38540, 41615, 47560, 47705, 53956, 54520, 55883, 66584, 67445, 76328, 77080, 83230, 95410, 107912, 111766, 134890, 166460, 190820, 223532, 269780, 279415, 332920, 381640, 391181, 447064, 539560, 558830, 782362, 1117660, 1564724, 1955905, 2235320, 3129448, 3911810, 7823620, 15647240]

約数ペア:

[(1, 15647240), (2, 7823620), (4, 3911810), (5, 3129448), (7, 2235320), (8, 1955905), (10, 1564724), (14, 1117660), (20, 782362), (28, 558830), (29, 539560), (35, 447064), (40, 391181), (41, 381640), (47, 332920), (56, 279415), (58, 269780), (70, 223532), (82, 190820), (94, 166460), (116, 134890), (140, 111766), (145, 107912), (164, 95410), (188, 83230), (203, 77080), (205, 76328), (232, 67445), (235, 66584), (280, 55883), (287, 54520), (290, 53956), (328, 47705), (329, 47560), (376, 41615), (406, 38540), (410, 38164), (470, 33292), (574, 27260), (580, 26978), (658, 23780), (812, 19270), (820, 19082), (940, 16646), (1015, 15416), (1148, 13630), (1160, 13489), (1189, 13160), (1316, 11890), (1363, 11480), (1435, 10904), (1624, 9635), (1640, 9541), (1645, 9512), (1880, 8323), (1927, 8120), (2030, 7708), (2296, 6815), (2378, 6580), (2632, 5945), (2726, 5740), (2870, 5452), (3290, 4756), (3854, 4060)]