20782746720

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{15569}}^1$

素因数の和:15699

約数の個数: 240

約数和(自身を含む): 74062628640

約数和(自身を除く): 53279881920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 103, 108, 120, 135, 144, 160, 162, 180, 206, 216, 240, 270, 288, 309, 324, 360, 405, 412, 432, 480, 515, 540, 618, 648, 720, 810, 824, 864, 927, 1030, 1080, 1236, 1296, 1440, 1545, 1620, 1648, 1854, 2060, 2160, 2472, 2592, 2781, 3090, 3240, 3296, 3708, 4120, 4320, 4635, 4944, 5562, 6180, 6480, 7416, 8240, 8343, 9270, 9888, 11124, 12360, 12960, 13905, 14832, 15569, 16480, 16686, 18540, 22248, 24720, 27810, 29664, 31138, 33372, 37080, 41715, 44496, 46707, 49440, 55620, 62276, 66744, 74160, 77845, 83430, 88992, 93414, 111240, 124552, 133488, 140121, 148320, 155690, 166860, 186828, 222480, 233535, 249104, 266976, 280242, 311380, 333720, 373656, 420363, 444960, 467070, 498208, 560484, 622760, 667440, 700605, 747312, 840726, 934140, 1120968, 1245520, 1261089, 1334880, 1401210, 1494624, 1603607, 1681452, 1868280, 2101815, 2241936, 2491040, 2522178, 2802420, 3207214, 3362904, 3736560, 4203630, 4483872, 4810821, 5044356, 5604840, 6305445, 6414428, 6725808, 7473120, 8018035, 8407260, 9621642, 10088712, 11209680, 12610890, 12828856, 13451616, 14432463, 16036070, 16814520, 19243284, 20177424, 22419360, 24054105, 25221780, 25657712, 28864926, 32072140, 33629040, 38486568, 40354848, 43297389, 48108210, 50443560, 51315424, 57729852, 64144280, 67258080, 72162315, 76973136, 86594778, 96216420, 100887120, 115459704, 128288560, 129892167, 144324630, 153946272, 173189556, 192432840, 201774240, 216486945, 230919408, 256577120, 259784334, 288649260, 346379112, 384865680, 432973890, 461838816, 519568668, 577298520, 649460835, 692758224, 769731360, 865947780, 1039137336, 1154597040, 1298921670, 1385516448, 1731895560, 2078274672, 2309194080, 2597843340, 3463791120, 4156549344, 5195686680, 6927582240, 10391373360, 20782746720]

約数ペア:

[(1, 20782746720), (2, 10391373360), (3, 6927582240), (4, 5195686680), (5, 4156549344), (6, 3463791120), (8, 2597843340), (9, 2309194080), (10, 2078274672), (12, 1731895560), (15, 1385516448), (16, 1298921670), (18, 1154597040), (20, 1039137336), (24, 865947780), (27, 769731360), (30, 692758224), (32, 649460835), (36, 577298520), (40, 519568668), (45, 461838816), (48, 432973890), (54, 384865680), (60, 346379112), (72, 288649260), (80, 259784334), (81, 256577120), (90, 230919408), (96, 216486945), (103, 201774240), (108, 192432840), (120, 173189556), (135, 153946272), (144, 144324630), (160, 129892167), (162, 128288560), (180, 115459704), (206, 100887120), (216, 96216420), (240, 86594778), (270, 76973136), (288, 72162315), (309, 67258080), (324, 64144280), (360, 57729852), (405, 51315424), (412, 50443560), (432, 48108210), (480, 43297389), (515, 40354848), (540, 38486568), (618, 33629040), (648, 32072140), (720, 28864926), (810, 25657712), (824, 25221780), (864, 24054105), (927, 22419360), (1030, 20177424), (1080, 19243284), (1236, 16814520), (1296, 16036070), (1440, 14432463), (1545, 13451616), (1620, 12828856), (1648, 12610890), (1854, 11209680), (2060, 10088712), (2160, 9621642), (2472, 8407260), (2592, 8018035), (2781, 7473120), (3090, 6725808), (3240, 6414428), (3296, 6305445), (3708, 5604840), (4120, 5044356), (4320, 4810821), (4635, 4483872), (4944, 4203630), (5562, 3736560), (6180, 3362904), (6480, 3207214), (7416, 2802420), (8240, 2522178), (8343, 2491040), (9270, 2241936), (9888, 2101815), (11124, 1868280), (12360, 1681452), (12960, 1603607), (13905, 1494624), (14832, 1401210), (15569, 1334880), (16480, 1261089), (16686, 1245520), (18540, 1120968), (22248, 934140), (24720, 840726), (27810, 747312), (29664, 700605), (31138, 667440), (33372, 622760), (37080, 560484), (41715, 498208), (44496, 467070), (46707, 444960), (49440, 420363), (55620, 373656), (62276, 333720), (66744, 311380), (74160, 280242), (77845, 266976), (83430, 249104), (88992, 233535), (93414, 222480), (111240, 186828), (124552, 166860), (133488, 155690), (140121, 148320)]