68571240

素因数分解:

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

素因数の和:291

約数の個数: 128

約数和(自身を含む): 214220160

約数和(自身を除く): 145648920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 97, 120, 129, 137, 172, 194, 215, 258, 274, 291, 344, 388, 411, 430, 485, 516, 548, 582, 645, 685, 776, 822, 860, 970, 1032, 1096, 1164, 1290, 1370, 1455, 1644, 1720, 1940, 2055, 2328, 2580, 2740, 2910, 3288, 3880, 4110, 4171, 5160, 5480, 5820, 5891, 8220, 8342, 11640, 11782, 12513, 13289, 16440, 16684, 17673, 20855, 23564, 25026, 26578, 29455, 33368, 35346, 39867, 41710, 47128, 50052, 53156, 58910, 62565, 66445, 70692, 79734, 83420, 88365, 100104, 106312, 117820, 125130, 132890, 141384, 159468, 166840, 176730, 199335, 235640, 250260, 265780, 318936, 353460, 398670, 500520, 531560, 571427, 706920, 797340, 1142854, 1594680, 1714281, 2285708, 2857135, 3428562, 4571416, 5714270, 6857124, 8571405, 11428540, 13714248, 17142810, 22857080, 34285620, 68571240]

約数ペア:

[(1, 68571240), (2, 34285620), (3, 22857080), (4, 17142810), (5, 13714248), (6, 11428540), (8, 8571405), (10, 6857124), (12, 5714270), (15, 4571416), (20, 3428562), (24, 2857135), (30, 2285708), (40, 1714281), (43, 1594680), (60, 1142854), (86, 797340), (97, 706920), (120, 571427), (129, 531560), (137, 500520), (172, 398670), (194, 353460), (215, 318936), (258, 265780), (274, 250260), (291, 235640), (344, 199335), (388, 176730), (411, 166840), (430, 159468), (485, 141384), (516, 132890), (548, 125130), (582, 117820), (645, 106312), (685, 100104), (776, 88365), (822, 83420), (860, 79734), (970, 70692), (1032, 66445), (1096, 62565), (1164, 58910), (1290, 53156), (1370, 50052), (1455, 47128), (1644, 41710), (1720, 39867), (1940, 35346), (2055, 33368), (2328, 29455), (2580, 26578), (2740, 25026), (2910, 23564), (3288, 20855), (3880, 17673), (4110, 16684), (4171, 16440), (5160, 13289), (5480, 12513), (5820, 11782), (5891, 11640), (8220, 8342)]