20565785640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{431}}^1$

素因数の和:704

約数の個数: 256

約数和(自身を含む): 64975011840

約数和(自身を除く): 44409226200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 101, 120, 124, 127, 155, 186, 202, 248, 254, 303, 310, 372, 381, 404, 431, 465, 505, 508, 606, 620, 635, 744, 762, 808, 862, 930, 1010, 1016, 1212, 1240, 1270, 1293, 1515, 1524, 1724, 1860, 1905, 2020, 2155, 2424, 2540, 2586, 3030, 3048, 3131, 3448, 3720, 3810, 3937, 4040, 4310, 5080, 5172, 6060, 6262, 6465, 7620, 7874, 8620, 9393, 10344, 11811, 12120, 12524, 12827, 12930, 13361, 15240, 15655, 15748, 17240, 18786, 19685, 23622, 25048, 25654, 25860, 26722, 31310, 31496, 37572, 38481, 39370, 40083, 43531, 46965, 47244, 51308, 51720, 53444, 54737, 59055, 62620, 64135, 66805, 75144, 76962, 78740, 80166, 87062, 93930, 94488, 102616, 106888, 109474, 118110, 125240, 128270, 130593, 133610, 153924, 157480, 160332, 164211, 174124, 187860, 192405, 200415, 217655, 218948, 236220, 256540, 261186, 267220, 273685, 307848, 320664, 328422, 348248, 375720, 384810, 397637, 400830, 435310, 437896, 472440, 513080, 522372, 534440, 547370, 652965, 656844, 769620, 795274, 801660, 821055, 870620, 1044744, 1094740, 1192911, 1305930, 1313688, 1349461, 1539240, 1590548, 1603320, 1642110, 1696847, 1741240, 1988185, 2189480, 2385822, 2611860, 2698922, 3181096, 3284220, 3393694, 3976370, 4048383, 4771644, 5090541, 5223720, 5397844, 5528437, 5964555, 6568440, 6747305, 6787388, 7952740, 8096766, 8484235, 9543288, 10181082, 10795688, 11056874, 11929110, 13494610, 13574776, 15905480, 16193532, 16585311, 16968470, 20241915, 20362164, 22113748, 23858220, 25452705, 26989220, 27642185, 32387064, 33170622, 33936940, 40483830, 40724328, 44227496, 47716440, 50905410, 53978440, 55284370, 66341244, 67873880, 80967660, 82926555, 101810820, 110568740, 132682488, 161935320, 165853110, 171381547, 203621640, 221137480, 331706220, 342763094, 514144641, 663412440, 685526188, 856907735, 1028289282, 1371052376, 1713815470, 2056578564, 2570723205, 3427630940, 4113157128, 5141446410, 6855261880, 10282892820, 20565785640]

約数ペア:

[(1, 20565785640), (2, 10282892820), (3, 6855261880), (4, 5141446410), (5, 4113157128), (6, 3427630940), (8, 2570723205), (10, 2056578564), (12, 1713815470), (15, 1371052376), (20, 1028289282), (24, 856907735), (30, 685526188), (31, 663412440), (40, 514144641), (60, 342763094), (62, 331706220), (93, 221137480), (101, 203621640), (120, 171381547), (124, 165853110), (127, 161935320), (155, 132682488), (186, 110568740), (202, 101810820), (248, 82926555), (254, 80967660), (303, 67873880), (310, 66341244), (372, 55284370), (381, 53978440), (404, 50905410), (431, 47716440), (465, 44227496), (505, 40724328), (508, 40483830), (606, 33936940), (620, 33170622), (635, 32387064), (744, 27642185), (762, 26989220), (808, 25452705), (862, 23858220), (930, 22113748), (1010, 20362164), (1016, 20241915), (1212, 16968470), (1240, 16585311), (1270, 16193532), (1293, 15905480), (1515, 13574776), (1524, 13494610), (1724, 11929110), (1860, 11056874), (1905, 10795688), (2020, 10181082), (2155, 9543288), (2424, 8484235), (2540, 8096766), (2586, 7952740), (3030, 6787388), (3048, 6747305), (3131, 6568440), (3448, 5964555), (3720, 5528437), (3810, 5397844), (3937, 5223720), (4040, 5090541), (4310, 4771644), (5080, 4048383), (5172, 3976370), (6060, 3393694), (6262, 3284220), (6465, 3181096), (7620, 2698922), (7874, 2611860), (8620, 2385822), (9393, 2189480), (10344, 1988185), (11811, 1741240), (12120, 1696847), (12524, 1642110), (12827, 1603320), (12930, 1590548), (13361, 1539240), (15240, 1349461), (15655, 1313688), (15748, 1305930), (17240, 1192911), (18786, 1094740), (19685, 1044744), (23622, 870620), (25048, 821055), (25654, 801660), (25860, 795274), (26722, 769620), (31310, 656844), (31496, 652965), (37572, 547370), (38481, 534440), (39370, 522372), (40083, 513080), (43531, 472440), (46965, 437896), (47244, 435310), (51308, 400830), (51720, 397637), (53444, 384810), (54737, 375720), (59055, 348248), (62620, 328422), (64135, 320664), (66805, 307848), (75144, 273685), (76962, 267220), (78740, 261186), (80166, 256540), (87062, 236220), (93930, 218948), (94488, 217655), (102616, 200415), (106888, 192405), (109474, 187860), (118110, 174124), (125240, 164211), (128270, 160332), (130593, 157480), (133610, 153924)]