1728375040

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1621}}^1$

素因数の和:1673

約数の個数: 216

約数和(自身を含む): 5102351352

約数和(自身を除く): 3373976312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 64, 68, 70, 80, 85, 98, 112, 119, 128, 136, 140, 160, 170, 196, 224, 238, 245, 256, 272, 280, 320, 340, 392, 448, 476, 490, 544, 560, 595, 640, 680, 784, 833, 896, 952, 980, 1088, 1120, 1190, 1280, 1360, 1568, 1621, 1666, 1792, 1904, 1960, 2176, 2240, 2380, 2720, 3136, 3242, 3332, 3808, 3920, 4165, 4352, 4480, 4760, 5440, 6272, 6484, 6664, 7616, 7840, 8105, 8330, 8960, 9520, 10880, 11347, 12544, 12968, 13328, 15232, 15680, 16210, 16660, 19040, 21760, 22694, 25936, 26656, 27557, 30464, 31360, 32420, 33320, 38080, 45388, 51872, 53312, 55114, 56735, 62720, 64840, 66640, 76160, 79429, 90776, 103744, 106624, 110228, 113470, 129680, 133280, 137785, 152320, 158858, 181552, 192899, 207488, 213248, 220456, 226940, 259360, 266560, 275570, 317716, 363104, 385798, 397145, 414976, 440912, 453880, 518720, 533120, 551140, 635432, 726208, 771596, 794290, 881824, 907760, 964495, 1037440, 1066240, 1102280, 1270864, 1350293, 1452416, 1543192, 1588580, 1763648, 1815520, 1928990, 2074880, 2204560, 2541728, 2700586, 2904832, 3086384, 3177160, 3527296, 3631040, 3857980, 4409120, 5083456, 5401172, 6172768, 6354320, 6751465, 7054592, 7262080, 7715960, 8818240, 10166912, 10802344, 12345536, 12708640, 13502930, 14524160, 15431920, 17636480, 20333824, 21604688, 24691072, 25417280, 27005860, 30863840, 35272960, 43209376, 49382144, 50834560, 54011720, 61727680, 86418752, 101669120, 108023440, 123455360, 172837504, 216046880, 246910720, 345675008, 432093760, 864187520, 1728375040]

約数ペア:

[(1, 1728375040), (2, 864187520), (4, 432093760), (5, 345675008), (7, 246910720), (8, 216046880), (10, 172837504), (14, 123455360), (16, 108023440), (17, 101669120), (20, 86418752), (28, 61727680), (32, 54011720), (34, 50834560), (35, 49382144), (40, 43209376), (49, 35272960), (56, 30863840), (64, 27005860), (68, 25417280), (70, 24691072), (80, 21604688), (85, 20333824), (98, 17636480), (112, 15431920), (119, 14524160), (128, 13502930), (136, 12708640), (140, 12345536), (160, 10802344), (170, 10166912), (196, 8818240), (224, 7715960), (238, 7262080), (245, 7054592), (256, 6751465), (272, 6354320), (280, 6172768), (320, 5401172), (340, 5083456), (392, 4409120), (448, 3857980), (476, 3631040), (490, 3527296), (544, 3177160), (560, 3086384), (595, 2904832), (640, 2700586), (680, 2541728), (784, 2204560), (833, 2074880), (896, 1928990), (952, 1815520), (980, 1763648), (1088, 1588580), (1120, 1543192), (1190, 1452416), (1280, 1350293), (1360, 1270864), (1568, 1102280), (1621, 1066240), (1666, 1037440), (1792, 964495), (1904, 907760), (1960, 881824), (2176, 794290), (2240, 771596), (2380, 726208), (2720, 635432), (3136, 551140), (3242, 533120), (3332, 518720), (3808, 453880), (3920, 440912), (4165, 414976), (4352, 397145), (4480, 385798), (4760, 363104), (5440, 317716), (6272, 275570), (6484, 266560), (6664, 259360), (7616, 226940), (7840, 220456), (8105, 213248), (8330, 207488), (8960, 192899), (9520, 181552), (10880, 158858), (11347, 152320), (12544, 137785), (12968, 133280), (13328, 129680), (15232, 113470), (15680, 110228), (16210, 106624), (16660, 103744), (19040, 90776), (21760, 79429), (22694, 76160), (25936, 66640), (26656, 64840), (27557, 62720), (30464, 56735), (31360, 55114), (32420, 53312), (33320, 51872), (38080, 45388)]