205713720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:294

約数の個数: 192

約数和(自身を含む): 696215520

約数和(自身を除く): 490501800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 97, 120, 129, 137, 172, 180, 194, 215, 258, 274, 291, 344, 360, 387, 388, 411, 430, 485, 516, 548, 582, 645, 685, 774, 776, 822, 860, 873, 970, 1032, 1096, 1164, 1233, 1290, 1370, 1455, 1548, 1644, 1720, 1746, 1935, 1940, 2055, 2328, 2466, 2580, 2740, 2910, 3096, 3288, 3492, 3870, 3880, 4110, 4171, 4365, 4932, 5160, 5480, 5820, 5891, 6165, 6984, 7740, 8220, 8342, 8730, 9864, 11640, 11782, 12330, 12513, 13289, 15480, 16440, 16684, 17460, 17673, 20855, 23564, 24660, 25026, 26578, 29455, 33368, 34920, 35346, 37539, 39867, 41710, 47128, 49320, 50052, 53019, 53156, 58910, 62565, 66445, 70692, 75078, 79734, 83420, 88365, 100104, 106038, 106312, 117820, 119601, 125130, 132890, 141384, 150156, 159468, 166840, 176730, 187695, 199335, 212076, 235640, 239202, 250260, 265095, 265780, 300312, 318936, 353460, 375390, 398670, 424152, 478404, 500520, 530190, 531560, 571427, 598005, 706920, 750780, 797340, 956808, 1060380, 1142854, 1196010, 1501560, 1594680, 1714281, 2120760, 2285708, 2392020, 2857135, 3428562, 4571416, 4784040, 5142843, 5714270, 6857124, 8571405, 10285686, 11428540, 13714248, 17142810, 20571372, 22857080, 25714215, 34285620, 41142744, 51428430, 68571240, 102856860, 205713720]

約数ペア:

[(1, 205713720), (2, 102856860), (3, 68571240), (4, 51428430), (5, 41142744), (6, 34285620), (8, 25714215), (9, 22857080), (10, 20571372), (12, 17142810), (15, 13714248), (18, 11428540), (20, 10285686), (24, 8571405), (30, 6857124), (36, 5714270), (40, 5142843), (43, 4784040), (45, 4571416), (60, 3428562), (72, 2857135), (86, 2392020), (90, 2285708), (97, 2120760), (120, 1714281), (129, 1594680), (137, 1501560), (172, 1196010), (180, 1142854), (194, 1060380), (215, 956808), (258, 797340), (274, 750780), (291, 706920), (344, 598005), (360, 571427), (387, 531560), (388, 530190), (411, 500520), (430, 478404), (485, 424152), (516, 398670), (548, 375390), (582, 353460), (645, 318936), (685, 300312), (774, 265780), (776, 265095), (822, 250260), (860, 239202), (873, 235640), (970, 212076), (1032, 199335), (1096, 187695), (1164, 176730), (1233, 166840), (1290, 159468), (1370, 150156), (1455, 141384), (1548, 132890), (1644, 125130), (1720, 119601), (1746, 117820), (1935, 106312), (1940, 106038), (2055, 100104), (2328, 88365), (2466, 83420), (2580, 79734), (2740, 75078), (2910, 70692), (3096, 66445), (3288, 62565), (3492, 58910), (3870, 53156), (3880, 53019), (4110, 50052), (4171, 49320), (4365, 47128), (4932, 41710), (5160, 39867), (5480, 37539), (5820, 35346), (5891, 34920), (6165, 33368), (6984, 29455), (7740, 26578), (8220, 25026), (8342, 24660), (8730, 23564), (9864, 20855), (11640, 17673), (11782, 17460), (12330, 16684), (12513, 16440), (13289, 15480)]