1397287440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:486

約数の個数: 240

約数和(自身を含む): 4841261568

約数和(自身を除く): 3443974128

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 47, 48, 60, 72, 80, 90, 94, 120, 141, 144, 157, 180, 188, 235, 240, 263, 282, 314, 360, 376, 423, 470, 471, 526, 564, 628, 705, 720, 752, 785, 789, 846, 940, 942, 1052, 1128, 1256, 1315, 1410, 1413, 1570, 1578, 1692, 1880, 1884, 2104, 2115, 2256, 2355, 2367, 2512, 2630, 2820, 2826, 3140, 3156, 3384, 3760, 3768, 3945, 4208, 4230, 4710, 4734, 5260, 5640, 5652, 6280, 6312, 6768, 7065, 7379, 7536, 7890, 8460, 9420, 9468, 10520, 11280, 11304, 11835, 12361, 12560, 12624, 14130, 14758, 15780, 16920, 18840, 18936, 21040, 22137, 22608, 23670, 24722, 28260, 29516, 31560, 33840, 36895, 37083, 37680, 37872, 41291, 44274, 47340, 49444, 56520, 59032, 61805, 63120, 66411, 73790, 74166, 82582, 88548, 94680, 98888, 110685, 111249, 113040, 118064, 123610, 123873, 132822, 147580, 148332, 165164, 177096, 185415, 189360, 197776, 206455, 221370, 222498, 247220, 247746, 265644, 295160, 296664, 330328, 332055, 354192, 370830, 371619, 412910, 442740, 444996, 494440, 495492, 531288, 556245, 590320, 593328, 619365, 660656, 664110, 741660, 743238, 825820, 885480, 889992, 988880, 990984, 1062576, 1112490, 1238730, 1328220, 1483320, 1486476, 1651640, 1770960, 1779984, 1858095, 1940677, 1981968, 2224980, 2477460, 2656440, 2966640, 2972952, 3303280, 3716190, 3881354, 4449960, 4954920, 5312880, 5822031, 5945904, 7432380, 7762708, 8899920, 9703385, 9909840, 11644062, 14864760, 15525416, 17466093, 19406770, 23288124, 29110155, 29729520, 31050832, 34932186, 38813540, 46576248, 58220310, 69864372, 77627080, 87330465, 93152496, 116440620, 139728744, 155254160, 174660930, 232881240, 279457488, 349321860, 465762480, 698643720, 1397287440]

約数ペア:

[(1, 1397287440), (2, 698643720), (3, 465762480), (4, 349321860), (5, 279457488), (6, 232881240), (8, 174660930), (9, 155254160), (10, 139728744), (12, 116440620), (15, 93152496), (16, 87330465), (18, 77627080), (20, 69864372), (24, 58220310), (30, 46576248), (36, 38813540), (40, 34932186), (45, 31050832), (47, 29729520), (48, 29110155), (60, 23288124), (72, 19406770), (80, 17466093), (90, 15525416), (94, 14864760), (120, 11644062), (141, 9909840), (144, 9703385), (157, 8899920), (180, 7762708), (188, 7432380), (235, 5945904), (240, 5822031), (263, 5312880), (282, 4954920), (314, 4449960), (360, 3881354), (376, 3716190), (423, 3303280), (470, 2972952), (471, 2966640), (526, 2656440), (564, 2477460), (628, 2224980), (705, 1981968), (720, 1940677), (752, 1858095), (785, 1779984), (789, 1770960), (846, 1651640), (940, 1486476), (942, 1483320), (1052, 1328220), (1128, 1238730), (1256, 1112490), (1315, 1062576), (1410, 990984), (1413, 988880), (1570, 889992), (1578, 885480), (1692, 825820), (1880, 743238), (1884, 741660), (2104, 664110), (2115, 660656), (2256, 619365), (2355, 593328), (2367, 590320), (2512, 556245), (2630, 531288), (2820, 495492), (2826, 494440), (3140, 444996), (3156, 442740), (3384, 412910), (3760, 371619), (3768, 370830), (3945, 354192), (4208, 332055), (4230, 330328), (4710, 296664), (4734, 295160), (5260, 265644), (5640, 247746), (5652, 247220), (6280, 222498), (6312, 221370), (6768, 206455), (7065, 197776), (7379, 189360), (7536, 185415), (7890, 177096), (8460, 165164), (9420, 148332), (9468, 147580), (10520, 132822), (11280, 123873), (11304, 123610), (11835, 118064), (12361, 113040), (12560, 111249), (12624, 110685), (14130, 98888), (14758, 94680), (15780, 88548), (16920, 82582), (18840, 74166), (18936, 73790), (21040, 66411), (22137, 63120), (22608, 61805), (23670, 59032), (24722, 56520), (28260, 49444), (29516, 47340), (31560, 44274), (33840, 41291), (36895, 37872), (37083, 37680)]