19551840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2$

素因数の和:82

約数の個数: 288

約数和(自身を含む): 80269056

約数和(自身を除く): 60717216

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 23, 24, 28, 30, 32, 33, 35, 40, 42, 44, 46, 48, 55, 56, 60, 66, 69, 70, 77, 80, 84, 88, 92, 96, 105, 110, 112, 115, 120, 132, 138, 140, 154, 160, 161, 165, 168, 176, 184, 210, 220, 224, 230, 231, 240, 253, 264, 276, 280, 308, 322, 330, 336, 345, 352, 368, 385, 420, 440, 460, 462, 480, 483, 506, 528, 529, 552, 560, 616, 644, 660, 672, 690, 736, 759, 770, 805, 840, 880, 920, 924, 966, 1012, 1056, 1058, 1104, 1120, 1155, 1232, 1265, 1288, 1320, 1380, 1518, 1540, 1587, 1610, 1680, 1760, 1771, 1840, 1848, 1932, 2024, 2116, 2208, 2310, 2415, 2464, 2530, 2576, 2640, 2645, 2760, 3036, 3080, 3174, 3220, 3360, 3542, 3680, 3696, 3703, 3795, 3864, 4048, 4232, 4620, 4830, 5060, 5152, 5280, 5290, 5313, 5520, 5819, 6072, 6160, 6348, 6440, 7084, 7392, 7406, 7590, 7728, 7935, 8096, 8464, 8855, 9240, 9660, 10120, 10580, 10626, 11040, 11109, 11638, 12144, 12320, 12696, 12880, 14168, 14812, 15180, 15456, 15870, 16928, 17457, 17710, 18480, 18515, 19320, 20240, 21160, 21252, 22218, 23276, 24288, 25392, 25760, 26565, 28336, 29095, 29624, 30360, 31740, 34914, 35420, 36960, 37030, 38640, 40480, 40733, 42320, 42504, 44436, 46552, 50784, 53130, 55545, 56672, 58190, 59248, 60720, 63480, 69828, 70840, 74060, 77280, 81466, 84640, 85008, 87285, 88872, 93104, 106260, 111090, 116380, 118496, 121440, 122199, 126960, 139656, 141680, 148120, 162932, 170016, 174570, 177744, 186208, 203665, 212520, 222180, 232760, 244398, 253920, 279312, 283360, 296240, 325864, 349140, 355488, 407330, 425040, 444360, 465520, 488796, 558624, 592480, 610995, 651728, 698280, 814660, 850080, 888720, 931040, 977592, 1221990, 1303456, 1396560, 1629320, 1777440, 1955184, 2443980, 2793120, 3258640, 3910368, 4887960, 6517280, 9775920, 19551840]

約数ペア:

[(1, 19551840), (2, 9775920), (3, 6517280), (4, 4887960), (5, 3910368), (6, 3258640), (7, 2793120), (8, 2443980), (10, 1955184), (11, 1777440), (12, 1629320), (14, 1396560), (15, 1303456), (16, 1221990), (20, 977592), (21, 931040), (22, 888720), (23, 850080), (24, 814660), (28, 698280), (30, 651728), (32, 610995), (33, 592480), (35, 558624), (40, 488796), (42, 465520), (44, 444360), (46, 425040), (48, 407330), (55, 355488), (56, 349140), (60, 325864), (66, 296240), (69, 283360), (70, 279312), (77, 253920), (80, 244398), (84, 232760), (88, 222180), (92, 212520), (96, 203665), (105, 186208), (110, 177744), (112, 174570), (115, 170016), (120, 162932), (132, 148120), (138, 141680), (140, 139656), (154, 126960), (160, 122199), (161, 121440), (165, 118496), (168, 116380), (176, 111090), (184, 106260), (210, 93104), (220, 88872), (224, 87285), (230, 85008), (231, 84640), (240, 81466), (253, 77280), (264, 74060), (276, 70840), (280, 69828), (308, 63480), (322, 60720), (330, 59248), (336, 58190), (345, 56672), (352, 55545), (368, 53130), (385, 50784), (420, 46552), (440, 44436), (460, 42504), (462, 42320), (480, 40733), (483, 40480), (506, 38640), (528, 37030), (529, 36960), (552, 35420), (560, 34914), (616, 31740), (644, 30360), (660, 29624), (672, 29095), (690, 28336), (736, 26565), (759, 25760), (770, 25392), (805, 24288), (840, 23276), (880, 22218), (920, 21252), (924, 21160), (966, 20240), (1012, 19320), (1056, 18515), (1058, 18480), (1104, 17710), (1120, 17457), (1155, 16928), (1232, 15870), (1265, 15456), (1288, 15180), (1320, 14812), (1380, 14168), (1518, 12880), (1540, 12696), (1587, 12320), (1610, 12144), (1680, 11638), (1760, 11109), (1771, 11040), (1840, 10626), (1848, 10580), (1932, 10120), (2024, 9660), (2116, 9240), (2208, 8855), (2310, 8464), (2415, 8096), (2464, 7935), (2530, 7728), (2576, 7590), (2640, 7406), (2645, 7392), (2760, 7084), (3036, 6440), (3080, 6348), (3174, 6160), (3220, 6072), (3360, 5819), (3542, 5520), (3680, 5313), (3696, 5290), (3703, 5280), (3795, 5152), (3864, 5060), (4048, 4830), (4232, 4620)]