215547640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1489}}^1$

素因数の和:1565

約数の個数: 128

約数和(自身を含む): 617932800

約数和(自身を除く): 402385160

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 47, 55, 56, 70, 77, 88, 94, 110, 140, 154, 188, 220, 235, 280, 308, 329, 376, 385, 440, 470, 517, 616, 658, 770, 940, 1034, 1316, 1489, 1540, 1645, 1880, 2068, 2585, 2632, 2978, 3080, 3290, 3619, 4136, 5170, 5956, 6580, 7238, 7445, 10340, 10423, 11912, 13160, 14476, 14890, 16379, 18095, 20680, 20846, 28952, 29780, 32758, 36190, 41692, 52115, 59560, 65516, 69983, 72380, 81895, 83384, 104230, 114653, 131032, 139966, 144760, 163790, 208460, 229306, 279932, 327580, 349915, 416920, 458612, 489881, 559864, 573265, 655160, 699830, 769813, 917224, 979762, 1146530, 1399660, 1539626, 1959524, 2293060, 2449405, 2799320, 3079252, 3849065, 3919048, 4586120, 4898810, 5388691, 6158504, 7698130, 9797620, 10777382, 15396260, 19595240, 21554764, 26943455, 30792520, 43109528, 53886910, 107773820, 215547640]

約数ペア:

[(1, 215547640), (2, 107773820), (4, 53886910), (5, 43109528), (7, 30792520), (8, 26943455), (10, 21554764), (11, 19595240), (14, 15396260), (20, 10777382), (22, 9797620), (28, 7698130), (35, 6158504), (40, 5388691), (44, 4898810), (47, 4586120), (55, 3919048), (56, 3849065), (70, 3079252), (77, 2799320), (88, 2449405), (94, 2293060), (110, 1959524), (140, 1539626), (154, 1399660), (188, 1146530), (220, 979762), (235, 917224), (280, 769813), (308, 699830), (329, 655160), (376, 573265), (385, 559864), (440, 489881), (470, 458612), (517, 416920), (616, 349915), (658, 327580), (770, 279932), (940, 229306), (1034, 208460), (1316, 163790), (1489, 144760), (1540, 139966), (1645, 131032), (1880, 114653), (2068, 104230), (2585, 83384), (2632, 81895), (2978, 72380), (3080, 69983), (3290, 65516), (3619, 59560), (4136, 52115), (5170, 41692), (5956, 36190), (6580, 32758), (7238, 29780), (7445, 28952), (10340, 20846), (10423, 20680), (11912, 18095), (13160, 16379), (14476, 14890)]