168428260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:266

約数の個数: 192

約数和(自身を含む): 487710720

約数和(自身を除く): 319282460

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 47, 52, 55, 65, 70, 77, 91, 94, 110, 130, 140, 143, 154, 179, 182, 188, 220, 235, 260, 286, 308, 329, 358, 364, 385, 455, 470, 517, 572, 611, 658, 715, 716, 770, 895, 910, 940, 1001, 1034, 1222, 1253, 1316, 1430, 1540, 1645, 1790, 1820, 1969, 2002, 2068, 2327, 2444, 2506, 2585, 2860, 3055, 3290, 3580, 3619, 3938, 4004, 4277, 4654, 5005, 5012, 5170, 6110, 6265, 6580, 6721, 7238, 7876, 8413, 8554, 9308, 9845, 10010, 10340, 11635, 12220, 12530, 13442, 13783, 14476, 16289, 16826, 17108, 18095, 19690, 20020, 21385, 23270, 25060, 25597, 26884, 27566, 32578, 33605, 33652, 36190, 39380, 42065, 42770, 46540, 47047, 51194, 55132, 58891, 65156, 67210, 68915, 72380, 81445, 84130, 85540, 92543, 94094, 102388, 109369, 117782, 127985, 134420, 137830, 162890, 168260, 179179, 185086, 188188, 218738, 235235, 235564, 255970, 275660, 294455, 325780, 358358, 370172, 437476, 462715, 470470, 511940, 546845, 588910, 647801, 716716, 765583, 895895, 925430, 940940, 1093690, 1177820, 1203059, 1295602, 1531166, 1791790, 1850860, 2187380, 2406118, 2591204, 3062332, 3239005, 3583580, 3827915, 4812236, 6015295, 6478010, 7655830, 8421413, 12030590, 12956020, 15311660, 16842826, 24061180, 33685652, 42107065, 84214130, 168428260]

約数ペア:

[(1, 168428260), (2, 84214130), (4, 42107065), (5, 33685652), (7, 24061180), (10, 16842826), (11, 15311660), (13, 12956020), (14, 12030590), (20, 8421413), (22, 7655830), (26, 6478010), (28, 6015295), (35, 4812236), (44, 3827915), (47, 3583580), (52, 3239005), (55, 3062332), (65, 2591204), (70, 2406118), (77, 2187380), (91, 1850860), (94, 1791790), (110, 1531166), (130, 1295602), (140, 1203059), (143, 1177820), (154, 1093690), (179, 940940), (182, 925430), (188, 895895), (220, 765583), (235, 716716), (260, 647801), (286, 588910), (308, 546845), (329, 511940), (358, 470470), (364, 462715), (385, 437476), (455, 370172), (470, 358358), (517, 325780), (572, 294455), (611, 275660), (658, 255970), (715, 235564), (716, 235235), (770, 218738), (895, 188188), (910, 185086), (940, 179179), (1001, 168260), (1034, 162890), (1222, 137830), (1253, 134420), (1316, 127985), (1430, 117782), (1540, 109369), (1645, 102388), (1790, 94094), (1820, 92543), (1969, 85540), (2002, 84130), (2068, 81445), (2327, 72380), (2444, 68915), (2506, 67210), (2585, 65156), (2860, 58891), (3055, 55132), (3290, 51194), (3580, 47047), (3619, 46540), (3938, 42770), (4004, 42065), (4277, 39380), (4654, 36190), (5005, 33652), (5012, 33605), (5170, 32578), (6110, 27566), (6265, 26884), (6580, 25597), (6721, 25060), (7238, 23270), (7876, 21385), (8413, 20020), (8554, 19690), (9308, 18095), (9845, 17108), (10010, 16826), (10340, 16289), (11635, 14476), (12220, 13783), (12530, 13442)]