2528857240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:442

約数の個数: 256

約数和(自身を含む): 7351787520

約数和(自身を除く): 4822930280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 73, 91, 104, 124, 130, 140, 146, 155, 182, 217, 248, 260, 280, 292, 307, 310, 364, 365, 403, 434, 455, 511, 520, 584, 614, 620, 728, 730, 806, 868, 910, 949, 1022, 1085, 1228, 1240, 1460, 1535, 1612, 1736, 1820, 1898, 2015, 2044, 2149, 2170, 2263, 2456, 2555, 2821, 2920, 3070, 3224, 3640, 3796, 3991, 4030, 4088, 4298, 4340, 4526, 4745, 5110, 5642, 6140, 6643, 7592, 7982, 8060, 8596, 8680, 9052, 9490, 9517, 10220, 10745, 11284, 11315, 12280, 13286, 14105, 15841, 15964, 16120, 17192, 18104, 18980, 19034, 19955, 20440, 21490, 22411, 22568, 22630, 26572, 27937, 28210, 29419, 31682, 31928, 33215, 37960, 38068, 39910, 42980, 44822, 45260, 47585, 53144, 55874, 56420, 58838, 63364, 66430, 66619, 76136, 79205, 79820, 85960, 89644, 90520, 95170, 111748, 112055, 112840, 117676, 123721, 126728, 132860, 133238, 139685, 147095, 156877, 158410, 159640, 179288, 190340, 205933, 223496, 224110, 235352, 247442, 265720, 266476, 279370, 291343, 294190, 313754, 316820, 333095, 380680, 411866, 448220, 494884, 532952, 558740, 582686, 588380, 618605, 627508, 633640, 666190, 694741, 784385, 823732, 866047, 896440, 989768, 1029665, 1117480, 1165372, 1176760, 1237210, 1255016, 1332380, 1389482, 1456715, 1568770, 1647464, 1732094, 2039401, 2059330, 2330744, 2474420, 2664760, 2778964, 2913430, 3137540, 3464188, 3473705, 4078802, 4118660, 4330235, 4863187, 4948840, 5557928, 5826860, 6275080, 6928376, 6947410, 8157604, 8237320, 8660470, 9031633, 9726374, 10197005, 11653720, 13894820, 16315208, 17320940, 18063266, 19452748, 20394010, 24315935, 27789640, 34641880, 36126532, 38905496, 40788020, 45158165, 48631870, 63221431, 72253064, 81576040, 90316330, 97263740, 126442862, 180632660, 194527480, 252885724, 316107155, 361265320, 505771448, 632214310, 1264428620, 2528857240]

約数ペア:

[(1, 2528857240), (2, 1264428620), (4, 632214310), (5, 505771448), (7, 361265320), (8, 316107155), (10, 252885724), (13, 194527480), (14, 180632660), (20, 126442862), (26, 97263740), (28, 90316330), (31, 81576040), (35, 72253064), (40, 63221431), (52, 48631870), (56, 45158165), (62, 40788020), (65, 38905496), (70, 36126532), (73, 34641880), (91, 27789640), (104, 24315935), (124, 20394010), (130, 19452748), (140, 18063266), (146, 17320940), (155, 16315208), (182, 13894820), (217, 11653720), (248, 10197005), (260, 9726374), (280, 9031633), (292, 8660470), (307, 8237320), (310, 8157604), (364, 6947410), (365, 6928376), (403, 6275080), (434, 5826860), (455, 5557928), (511, 4948840), (520, 4863187), (584, 4330235), (614, 4118660), (620, 4078802), (728, 3473705), (730, 3464188), (806, 3137540), (868, 2913430), (910, 2778964), (949, 2664760), (1022, 2474420), (1085, 2330744), (1228, 2059330), (1240, 2039401), (1460, 1732094), (1535, 1647464), (1612, 1568770), (1736, 1456715), (1820, 1389482), (1898, 1332380), (2015, 1255016), (2044, 1237210), (2149, 1176760), (2170, 1165372), (2263, 1117480), (2456, 1029665), (2555, 989768), (2821, 896440), (2920, 866047), (3070, 823732), (3224, 784385), (3640, 694741), (3796, 666190), (3991, 633640), (4030, 627508), (4088, 618605), (4298, 588380), (4340, 582686), (4526, 558740), (4745, 532952), (5110, 494884), (5642, 448220), (6140, 411866), (6643, 380680), (7592, 333095), (7982, 316820), (8060, 313754), (8596, 294190), (8680, 291343), (9052, 279370), (9490, 266476), (9517, 265720), (10220, 247442), (10745, 235352), (11284, 224110), (11315, 223496), (12280, 205933), (13286, 190340), (14105, 179288), (15841, 159640), (15964, 158410), (16120, 156877), (17192, 147095), (18104, 139685), (18980, 133238), (19034, 132860), (19955, 126728), (20440, 123721), (21490, 117676), (22411, 112840), (22568, 112055), (22630, 111748), (26572, 95170), (27937, 90520), (28210, 89644), (29419, 85960), (31682, 79820), (31928, 79205), (33215, 76136), (37960, 66619), (38068, 66430), (39910, 63364), (42980, 58838), (44822, 56420), (45260, 55874), (47585, 53144)]