661548160

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:383

約数の個数: 256

約数和(自身を含む): 2005597440

約数和(自身を除く): 1344049280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 37, 40, 52, 56, 64, 65, 70, 74, 80, 91, 104, 112, 128, 130, 140, 148, 160, 182, 185, 208, 224, 259, 260, 280, 296, 307, 320, 364, 370, 416, 448, 455, 481, 518, 520, 560, 592, 614, 640, 728, 740, 832, 896, 910, 962, 1036, 1040, 1120, 1184, 1228, 1295, 1456, 1480, 1535, 1664, 1820, 1924, 2072, 2080, 2149, 2240, 2368, 2405, 2456, 2590, 2912, 2960, 3070, 3367, 3640, 3848, 3991, 4144, 4160, 4298, 4480, 4736, 4810, 4912, 5180, 5824, 5920, 6140, 6734, 7280, 7696, 7982, 8288, 8320, 8596, 9620, 9824, 10360, 10745, 11359, 11648, 11840, 12280, 13468, 14560, 15392, 15964, 16576, 16835, 17192, 19240, 19648, 19955, 20720, 21490, 22718, 23680, 24560, 26936, 27937, 29120, 30784, 31928, 33152, 33670, 34384, 38480, 39296, 39910, 41440, 42980, 45436, 49120, 53872, 55874, 56795, 58240, 61568, 63856, 67340, 68768, 76960, 79513, 79820, 82880, 85960, 90872, 98240, 107744, 111748, 113590, 127712, 134680, 137536, 139685, 147667, 153920, 159026, 159640, 165760, 171920, 181744, 196480, 215488, 223496, 227180, 255424, 269360, 275072, 279370, 295334, 307840, 318052, 319280, 343840, 363488, 397565, 430976, 446992, 454360, 510848, 538720, 558740, 590668, 636104, 638560, 687680, 726976, 738335, 795130, 893984, 908720, 1033669, 1077440, 1117480, 1181336, 1272208, 1277120, 1375360, 1453952, 1476670, 1590260, 1787968, 1817440, 2067338, 2154880, 2234960, 2362672, 2544416, 2554240, 2953340, 3180520, 3575936, 3634880, 4134676, 4469920, 4725344, 5088832, 5168345, 5906680, 6361040, 7269760, 8269352, 8939840, 9450688, 10177664, 10336690, 11813360, 12722080, 16538704, 17879680, 18901376, 20673380, 23626720, 25444160, 33077408, 41346760, 47253440, 50888320, 66154816, 82693520, 94506880, 132309632, 165387040, 330774080, 661548160]

約数ペア:

[(1, 661548160), (2, 330774080), (4, 165387040), (5, 132309632), (7, 94506880), (8, 82693520), (10, 66154816), (13, 50888320), (14, 47253440), (16, 41346760), (20, 33077408), (26, 25444160), (28, 23626720), (32, 20673380), (35, 18901376), (37, 17879680), (40, 16538704), (52, 12722080), (56, 11813360), (64, 10336690), (65, 10177664), (70, 9450688), (74, 8939840), (80, 8269352), (91, 7269760), (104, 6361040), (112, 5906680), (128, 5168345), (130, 5088832), (140, 4725344), (148, 4469920), (160, 4134676), (182, 3634880), (185, 3575936), (208, 3180520), (224, 2953340), (259, 2554240), (260, 2544416), (280, 2362672), (296, 2234960), (307, 2154880), (320, 2067338), (364, 1817440), (370, 1787968), (416, 1590260), (448, 1476670), (455, 1453952), (481, 1375360), (518, 1277120), (520, 1272208), (560, 1181336), (592, 1117480), (614, 1077440), (640, 1033669), (728, 908720), (740, 893984), (832, 795130), (896, 738335), (910, 726976), (962, 687680), (1036, 638560), (1040, 636104), (1120, 590668), (1184, 558740), (1228, 538720), (1295, 510848), (1456, 454360), (1480, 446992), (1535, 430976), (1664, 397565), (1820, 363488), (1924, 343840), (2072, 319280), (2080, 318052), (2149, 307840), (2240, 295334), (2368, 279370), (2405, 275072), (2456, 269360), (2590, 255424), (2912, 227180), (2960, 223496), (3070, 215488), (3367, 196480), (3640, 181744), (3848, 171920), (3991, 165760), (4144, 159640), (4160, 159026), (4298, 153920), (4480, 147667), (4736, 139685), (4810, 137536), (4912, 134680), (5180, 127712), (5824, 113590), (5920, 111748), (6140, 107744), (6734, 98240), (7280, 90872), (7696, 85960), (7982, 82880), (8288, 79820), (8320, 79513), (8596, 76960), (9620, 68768), (9824, 67340), (10360, 63856), (10745, 61568), (11359, 58240), (11648, 56795), (11840, 55874), (12280, 53872), (13468, 49120), (14560, 45436), (15392, 42980), (15964, 41440), (16576, 39910), (16835, 39296), (17192, 38480), (19240, 34384), (19648, 33670), (19955, 33152), (20720, 31928), (21490, 30784), (22718, 29120), (23680, 27937), (24560, 26936)]