172402020

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:712

約数の個数: 240

約数和(自身を含む): 645942528

約数和(自身を除く): 473540508

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 27, 28, 30, 35, 36, 42, 45, 46, 54, 60, 63, 69, 70, 81, 84, 90, 92, 105, 108, 115, 126, 135, 138, 140, 161, 162, 180, 189, 207, 210, 230, 252, 270, 276, 315, 322, 324, 345, 378, 405, 414, 420, 460, 483, 540, 567, 621, 630, 644, 661, 690, 756, 805, 810, 828, 945, 966, 1035, 1134, 1242, 1260, 1322, 1380, 1449, 1610, 1620, 1863, 1890, 1932, 1983, 2070, 2268, 2415, 2484, 2644, 2835, 2898, 3105, 3220, 3305, 3726, 3780, 3966, 4140, 4347, 4627, 4830, 5670, 5796, 5949, 6210, 6610, 7245, 7452, 7932, 8694, 9254, 9315, 9660, 9915, 11340, 11898, 12420, 13041, 13220, 13881, 14490, 15203, 17388, 17847, 18508, 18630, 19830, 21735, 23135, 23796, 26082, 27762, 28980, 29745, 30406, 35694, 37260, 39660, 41643, 43470, 45609, 46270, 52164, 53541, 55524, 59490, 60812, 65205, 69405, 71388, 76015, 83286, 86940, 89235, 91218, 92540, 106421, 107082, 118980, 124929, 130410, 136827, 138810, 152030, 166572, 178470, 182436, 208215, 212842, 214164, 228045, 249858, 260820, 267705, 273654, 277620, 304060, 319263, 356940, 374787, 410481, 416430, 425684, 456090, 499716, 532105, 535410, 547308, 624645, 638526, 684135, 749574, 820962, 832860, 912180, 957789, 1064210, 1070820, 1231443, 1249290, 1277052, 1368270, 1499148, 1596315, 1641924, 1873935, 1915578, 2052405, 2128420, 2462886, 2498580, 2736540, 2873367, 3192630, 3747870, 3831156, 4104810, 4788945, 4925772, 5746734, 6157215, 6385260, 7495740, 8209620, 8620101, 9577890, 11493468, 12314430, 14366835, 17240202, 19155780, 24628860, 28733670, 34480404, 43100505, 57467340, 86201010, 172402020]

約数ペア:

[(1, 172402020), (2, 86201010), (3, 57467340), (4, 43100505), (5, 34480404), (6, 28733670), (7, 24628860), (9, 19155780), (10, 17240202), (12, 14366835), (14, 12314430), (15, 11493468), (18, 9577890), (20, 8620101), (21, 8209620), (23, 7495740), (27, 6385260), (28, 6157215), (30, 5746734), (35, 4925772), (36, 4788945), (42, 4104810), (45, 3831156), (46, 3747870), (54, 3192630), (60, 2873367), (63, 2736540), (69, 2498580), (70, 2462886), (81, 2128420), (84, 2052405), (90, 1915578), (92, 1873935), (105, 1641924), (108, 1596315), (115, 1499148), (126, 1368270), (135, 1277052), (138, 1249290), (140, 1231443), (161, 1070820), (162, 1064210), (180, 957789), (189, 912180), (207, 832860), (210, 820962), (230, 749574), (252, 684135), (270, 638526), (276, 624645), (315, 547308), (322, 535410), (324, 532105), (345, 499716), (378, 456090), (405, 425684), (414, 416430), (420, 410481), (460, 374787), (483, 356940), (540, 319263), (567, 304060), (621, 277620), (630, 273654), (644, 267705), (661, 260820), (690, 249858), (756, 228045), (805, 214164), (810, 212842), (828, 208215), (945, 182436), (966, 178470), (1035, 166572), (1134, 152030), (1242, 138810), (1260, 136827), (1322, 130410), (1380, 124929), (1449, 118980), (1610, 107082), (1620, 106421), (1863, 92540), (1890, 91218), (1932, 89235), (1983, 86940), (2070, 83286), (2268, 76015), (2415, 71388), (2484, 69405), (2644, 65205), (2835, 60812), (2898, 59490), (3105, 55524), (3220, 53541), (3305, 52164), (3726, 46270), (3780, 45609), (3966, 43470), (4140, 41643), (4347, 39660), (4627, 37260), (4830, 35694), (5670, 30406), (5796, 29745), (5949, 28980), (6210, 27762), (6610, 26082), (7245, 23796), (7452, 23135), (7932, 21735), (8694, 19830), (9254, 18630), (9315, 18508), (9660, 17847), (9915, 17388), (11340, 15203), (11898, 14490), (12420, 13881), (13041, 13220)]