305811840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:225

約数の個数: 256

約数和(自身を含む): 1048723200

約数和(自身を除く): 742911360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 83, 95, 96, 101, 114, 120, 128, 152, 160, 166, 190, 192, 202, 228, 240, 249, 285, 303, 304, 320, 332, 380, 384, 404, 415, 456, 480, 498, 505, 570, 606, 608, 640, 664, 760, 808, 830, 912, 960, 996, 1010, 1140, 1212, 1216, 1245, 1328, 1515, 1520, 1577, 1616, 1660, 1824, 1919, 1920, 1992, 2020, 2280, 2424, 2432, 2490, 2656, 3030, 3040, 3154, 3232, 3320, 3648, 3838, 3984, 4040, 4560, 4731, 4848, 4980, 5312, 5757, 6060, 6080, 6308, 6464, 6640, 7296, 7676, 7885, 7968, 8080, 8383, 9120, 9462, 9595, 9696, 9960, 10624, 11514, 12120, 12160, 12616, 12928, 13280, 15352, 15770, 15936, 16160, 16766, 18240, 18924, 19190, 19392, 19920, 23028, 23655, 24240, 25149, 25232, 26560, 28785, 30704, 31540, 31872, 32320, 33532, 36480, 37848, 38380, 38784, 39840, 41915, 46056, 47310, 48480, 50298, 50464, 53120, 57570, 61408, 63080, 64640, 67064, 75696, 76760, 79680, 83830, 92112, 94620, 96960, 100596, 100928, 115140, 122816, 125745, 126160, 134128, 151392, 153520, 159277, 159360, 167660, 184224, 189240, 193920, 201192, 201856, 230280, 245632, 251490, 252320, 268256, 302784, 307040, 318554, 335320, 368448, 378480, 402384, 460560, 477831, 502980, 504640, 536512, 605568, 614080, 637108, 670640, 736896, 756960, 796385, 804768, 921120, 955662, 1005960, 1009280, 1073024, 1228160, 1274216, 1341280, 1513920, 1592770, 1609536, 1842240, 1911324, 2011920, 2389155, 2548432, 2682560, 3027840, 3185540, 3219072, 3684480, 3822648, 4023840, 4778310, 5096864, 5365120, 6371080, 7645296, 8047680, 9556620, 10193728, 12742160, 15290592, 16095360, 19113240, 20387456, 25484320, 30581184, 38226480, 50968640, 61162368, 76452960, 101937280, 152905920, 305811840]

約数ペア:

[(1, 305811840), (2, 152905920), (3, 101937280), (4, 76452960), (5, 61162368), (6, 50968640), (8, 38226480), (10, 30581184), (12, 25484320), (15, 20387456), (16, 19113240), (19, 16095360), (20, 15290592), (24, 12742160), (30, 10193728), (32, 9556620), (38, 8047680), (40, 7645296), (48, 6371080), (57, 5365120), (60, 5096864), (64, 4778310), (76, 4023840), (80, 3822648), (83, 3684480), (95, 3219072), (96, 3185540), (101, 3027840), (114, 2682560), (120, 2548432), (128, 2389155), (152, 2011920), (160, 1911324), (166, 1842240), (190, 1609536), (192, 1592770), (202, 1513920), (228, 1341280), (240, 1274216), (249, 1228160), (285, 1073024), (303, 1009280), (304, 1005960), (320, 955662), (332, 921120), (380, 804768), (384, 796385), (404, 756960), (415, 736896), (456, 670640), (480, 637108), (498, 614080), (505, 605568), (570, 536512), (606, 504640), (608, 502980), (640, 477831), (664, 460560), (760, 402384), (808, 378480), (830, 368448), (912, 335320), (960, 318554), (996, 307040), (1010, 302784), (1140, 268256), (1212, 252320), (1216, 251490), (1245, 245632), (1328, 230280), (1515, 201856), (1520, 201192), (1577, 193920), (1616, 189240), (1660, 184224), (1824, 167660), (1919, 159360), (1920, 159277), (1992, 153520), (2020, 151392), (2280, 134128), (2424, 126160), (2432, 125745), (2490, 122816), (2656, 115140), (3030, 100928), (3040, 100596), (3154, 96960), (3232, 94620), (3320, 92112), (3648, 83830), (3838, 79680), (3984, 76760), (4040, 75696), (4560, 67064), (4731, 64640), (4848, 63080), (4980, 61408), (5312, 57570), (5757, 53120), (6060, 50464), (6080, 50298), (6308, 48480), (6464, 47310), (6640, 46056), (7296, 41915), (7676, 39840), (7885, 38784), (7968, 38380), (8080, 37848), (8383, 36480), (9120, 33532), (9462, 32320), (9595, 31872), (9696, 31540), (9960, 30704), (10624, 28785), (11514, 26560), (12120, 25232), (12160, 25149), (12616, 24240), (12928, 23655), (13280, 23028), (15352, 19920), (15770, 19392), (15936, 19190), (16160, 18924), (16766, 18240)]