78288840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:732

約数の個数: 192

約数和(自身を含む): 297423360

約数和(自身を除く): 219134520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 47, 56, 60, 63, 70, 72, 84, 90, 94, 105, 120, 126, 140, 141, 168, 180, 188, 210, 235, 252, 280, 282, 315, 329, 360, 376, 420, 423, 470, 504, 564, 630, 658, 661, 705, 840, 846, 940, 987, 1128, 1260, 1316, 1322, 1410, 1645, 1692, 1880, 1974, 1983, 2115, 2520, 2632, 2644, 2820, 2961, 3290, 3305, 3384, 3948, 3966, 4230, 4627, 4935, 5288, 5640, 5922, 5949, 6580, 6610, 7896, 7932, 8460, 9254, 9870, 9915, 11844, 11898, 13160, 13220, 13881, 14805, 15864, 16920, 18508, 19740, 19830, 23135, 23688, 23796, 26440, 27762, 29610, 29745, 31067, 37016, 39480, 39660, 41643, 46270, 47592, 55524, 59220, 59490, 62134, 69405, 79320, 83286, 92540, 93201, 111048, 118440, 118980, 124268, 138810, 155335, 166572, 185080, 186402, 208215, 217469, 237960, 248536, 277620, 279603, 310670, 333144, 372804, 416430, 434938, 466005, 555240, 559206, 621340, 652407, 745608, 832860, 869876, 932010, 1087345, 1118412, 1242680, 1304814, 1398015, 1665720, 1739752, 1864020, 1957221, 2174690, 2236824, 2609628, 2796030, 3262035, 3728040, 3914442, 4349380, 5219256, 5592060, 6524070, 7828884, 8698760, 9786105, 11184120, 13048140, 15657768, 19572210, 26096280, 39144420, 78288840]

約数ペア:

[(1, 78288840), (2, 39144420), (3, 26096280), (4, 19572210), (5, 15657768), (6, 13048140), (7, 11184120), (8, 9786105), (9, 8698760), (10, 7828884), (12, 6524070), (14, 5592060), (15, 5219256), (18, 4349380), (20, 3914442), (21, 3728040), (24, 3262035), (28, 2796030), (30, 2609628), (35, 2236824), (36, 2174690), (40, 1957221), (42, 1864020), (45, 1739752), (47, 1665720), (56, 1398015), (60, 1304814), (63, 1242680), (70, 1118412), (72, 1087345), (84, 932010), (90, 869876), (94, 832860), (105, 745608), (120, 652407), (126, 621340), (140, 559206), (141, 555240), (168, 466005), (180, 434938), (188, 416430), (210, 372804), (235, 333144), (252, 310670), (280, 279603), (282, 277620), (315, 248536), (329, 237960), (360, 217469), (376, 208215), (420, 186402), (423, 185080), (470, 166572), (504, 155335), (564, 138810), (630, 124268), (658, 118980), (661, 118440), (705, 111048), (840, 93201), (846, 92540), (940, 83286), (987, 79320), (1128, 69405), (1260, 62134), (1316, 59490), (1322, 59220), (1410, 55524), (1645, 47592), (1692, 46270), (1880, 41643), (1974, 39660), (1983, 39480), (2115, 37016), (2520, 31067), (2632, 29745), (2644, 29610), (2820, 27762), (2961, 26440), (3290, 23796), (3305, 23688), (3384, 23135), (3948, 19830), (3966, 19740), (4230, 18508), (4627, 16920), (4935, 15864), (5288, 14805), (5640, 13881), (5922, 13220), (5949, 13160), (6580, 11898), (6610, 11844), (7896, 9915), (7932, 9870), (8460, 9254)]