2728019840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1511}}^1$

素因数の和:1581

約数の個数: 256

約数和(自身を含む): 8291082240

約数和(自身を除く): 5563062400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 52, 56, 62, 64, 65, 70, 80, 91, 104, 112, 124, 128, 130, 140, 155, 160, 182, 208, 217, 224, 248, 260, 280, 310, 320, 364, 403, 416, 434, 448, 455, 496, 520, 560, 620, 640, 728, 806, 832, 868, 896, 910, 992, 1040, 1085, 1120, 1240, 1456, 1511, 1612, 1664, 1736, 1820, 1984, 2015, 2080, 2170, 2240, 2480, 2821, 2912, 3022, 3224, 3472, 3640, 3968, 4030, 4160, 4340, 4480, 4960, 5642, 5824, 6044, 6448, 6944, 7280, 7555, 8060, 8320, 8680, 9920, 10577, 11284, 11648, 12088, 12896, 13888, 14105, 14560, 15110, 16120, 17360, 19643, 19840, 21154, 22568, 24176, 25792, 27776, 28210, 29120, 30220, 32240, 34720, 39286, 42308, 45136, 46841, 48352, 51584, 52885, 56420, 58240, 60440, 64480, 69440, 78572, 84616, 90272, 93682, 96704, 98215, 105770, 112840, 120880, 128960, 137501, 138880, 157144, 169232, 180544, 187364, 193408, 196430, 211540, 225680, 234205, 241760, 257920, 275002, 314288, 327887, 338464, 361088, 374728, 392860, 423080, 451360, 468410, 483520, 550004, 608933, 628576, 655774, 676928, 687505, 749456, 785720, 846160, 902720, 936820, 967040, 1100008, 1217866, 1257152, 1311548, 1353856, 1375010, 1498912, 1571440, 1639435, 1692320, 1805440, 1873640, 2200016, 2435732, 2514304, 2623096, 2750020, 2997824, 3044665, 3142880, 3278870, 3384640, 3747280, 4262531, 4400032, 4871464, 5246192, 5500040, 5995648, 6089330, 6285760, 6557740, 6769280, 7494560, 8525062, 8800064, 9742928, 10492384, 11000080, 12178660, 12571520, 13115480, 14989120, 17050124, 17600128, 19485856, 20984768, 21312655, 22000160, 24357320, 26230960, 29978240, 34100248, 38971712, 41969536, 42625310, 44000320, 48714640, 52461920, 68200496, 77943424, 85250620, 88000640, 97429280, 104923840, 136400992, 170501240, 194858560, 209847680, 272801984, 341002480, 389717120, 545603968, 682004960, 1364009920, 2728019840]

約数ペア:

[(1, 2728019840), (2, 1364009920), (4, 682004960), (5, 545603968), (7, 389717120), (8, 341002480), (10, 272801984), (13, 209847680), (14, 194858560), (16, 170501240), (20, 136400992), (26, 104923840), (28, 97429280), (31, 88000640), (32, 85250620), (35, 77943424), (40, 68200496), (52, 52461920), (56, 48714640), (62, 44000320), (64, 42625310), (65, 41969536), (70, 38971712), (80, 34100248), (91, 29978240), (104, 26230960), (112, 24357320), (124, 22000160), (128, 21312655), (130, 20984768), (140, 19485856), (155, 17600128), (160, 17050124), (182, 14989120), (208, 13115480), (217, 12571520), (224, 12178660), (248, 11000080), (260, 10492384), (280, 9742928), (310, 8800064), (320, 8525062), (364, 7494560), (403, 6769280), (416, 6557740), (434, 6285760), (448, 6089330), (455, 5995648), (496, 5500040), (520, 5246192), (560, 4871464), (620, 4400032), (640, 4262531), (728, 3747280), (806, 3384640), (832, 3278870), (868, 3142880), (896, 3044665), (910, 2997824), (992, 2750020), (1040, 2623096), (1085, 2514304), (1120, 2435732), (1240, 2200016), (1456, 1873640), (1511, 1805440), (1612, 1692320), (1664, 1639435), (1736, 1571440), (1820, 1498912), (1984, 1375010), (2015, 1353856), (2080, 1311548), (2170, 1257152), (2240, 1217866), (2480, 1100008), (2821, 967040), (2912, 936820), (3022, 902720), (3224, 846160), (3472, 785720), (3640, 749456), (3968, 687505), (4030, 676928), (4160, 655774), (4340, 628576), (4480, 608933), (4960, 550004), (5642, 483520), (5824, 468410), (6044, 451360), (6448, 423080), (6944, 392860), (7280, 374728), (7555, 361088), (8060, 338464), (8320, 327887), (8680, 314288), (9920, 275002), (10577, 257920), (11284, 241760), (11648, 234205), (12088, 225680), (12896, 211540), (13888, 196430), (14105, 193408), (14560, 187364), (15110, 180544), (16120, 169232), (17360, 157144), (19643, 138880), (19840, 137501), (21154, 128960), (22568, 120880), (24176, 112840), (25792, 105770), (27776, 98215), (28210, 96704), (29120, 93682), (30220, 90272), (32240, 84616), (34720, 78572), (39286, 69440), (42308, 64480), (45136, 60440), (46841, 58240), (48352, 56420), (51584, 52885)]