128520560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:343

約数の個数: 160

約数和(自身を含む): 368547840

約数和(自身を除く): 240027280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 47, 56, 70, 76, 80, 94, 95, 112, 133, 140, 152, 188, 190, 235, 257, 266, 280, 304, 329, 376, 380, 470, 514, 532, 560, 658, 665, 752, 760, 893, 940, 1028, 1064, 1285, 1316, 1330, 1520, 1645, 1786, 1799, 1880, 2056, 2128, 2570, 2632, 2660, 3290, 3572, 3598, 3760, 4112, 4465, 4883, 5140, 5264, 5320, 6251, 6580, 7144, 7196, 8930, 8995, 9766, 10280, 10640, 12079, 12502, 13160, 14288, 14392, 17860, 17990, 19532, 20560, 24158, 24415, 25004, 26320, 28784, 31255, 34181, 35720, 35980, 39064, 48316, 48830, 50008, 60395, 62510, 68362, 71440, 71960, 78128, 84553, 96632, 97660, 100016, 120790, 125020, 136724, 143920, 169106, 170905, 193264, 195320, 229501, 241580, 250040, 273448, 338212, 341810, 390640, 422765, 459002, 483160, 500080, 546896, 676424, 683620, 845530, 918004, 966320, 1147505, 1352848, 1367240, 1606507, 1691060, 1836008, 2295010, 2734480, 3213014, 3382120, 3672016, 4590020, 6426028, 6764240, 8032535, 9180040, 12852056, 16065070, 18360080, 25704112, 32130140, 64260280, 128520560]

約数ペア:

[(1, 128520560), (2, 64260280), (4, 32130140), (5, 25704112), (7, 18360080), (8, 16065070), (10, 12852056), (14, 9180040), (16, 8032535), (19, 6764240), (20, 6426028), (28, 4590020), (35, 3672016), (38, 3382120), (40, 3213014), (47, 2734480), (56, 2295010), (70, 1836008), (76, 1691060), (80, 1606507), (94, 1367240), (95, 1352848), (112, 1147505), (133, 966320), (140, 918004), (152, 845530), (188, 683620), (190, 676424), (235, 546896), (257, 500080), (266, 483160), (280, 459002), (304, 422765), (329, 390640), (376, 341810), (380, 338212), (470, 273448), (514, 250040), (532, 241580), (560, 229501), (658, 195320), (665, 193264), (752, 170905), (760, 169106), (893, 143920), (940, 136724), (1028, 125020), (1064, 120790), (1285, 100016), (1316, 97660), (1330, 96632), (1520, 84553), (1645, 78128), (1786, 71960), (1799, 71440), (1880, 68362), (2056, 62510), (2128, 60395), (2570, 50008), (2632, 48830), (2660, 48316), (3290, 39064), (3572, 35980), (3598, 35720), (3760, 34181), (4112, 31255), (4465, 28784), (4883, 26320), (5140, 25004), (5264, 24415), (5320, 24158), (6251, 20560), (6580, 19532), (7144, 17990), (7196, 17860), (8930, 14392), (8995, 14288), (9766, 13160), (10280, 12502), (10640, 12079)]