2540895840

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13267}}^1$

素因数の和:13314

約数の個数: 288

約数和(自身を含む): 10431832320

約数和(自身を除く): 7890936480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 96, 105, 112, 114, 120, 126, 133, 140, 144, 152, 160, 168, 171, 180, 190, 210, 224, 228, 240, 252, 266, 280, 285, 288, 304, 315, 336, 342, 360, 380, 399, 420, 456, 480, 504, 532, 560, 570, 608, 630, 665, 672, 684, 720, 760, 798, 840, 855, 912, 1008, 1064, 1120, 1140, 1197, 1260, 1330, 1368, 1440, 1520, 1596, 1680, 1710, 1824, 1995, 2016, 2128, 2280, 2394, 2520, 2660, 2736, 3040, 3192, 3360, 3420, 3990, 4256, 4560, 4788, 5040, 5320, 5472, 5985, 6384, 6840, 7980, 9120, 9576, 10080, 10640, 11970, 12768, 13267, 13680, 15960, 19152, 21280, 23940, 26534, 27360, 31920, 38304, 39801, 47880, 53068, 63840, 66335, 79602, 92869, 95760, 106136, 119403, 132670, 159204, 185738, 191520, 199005, 212272, 238806, 252073, 265340, 278607, 318408, 371476, 398010, 424544, 464345, 477612, 504146, 530680, 557214, 597015, 636816, 742952, 756219, 796020, 835821, 928690, 955224, 1008292, 1061360, 1114428, 1194030, 1260365, 1273632, 1393035, 1485904, 1512438, 1592040, 1671642, 1764511, 1857380, 1910448, 2016584, 2122720, 2228856, 2268657, 2388060, 2520730, 2786070, 2971808, 3024876, 3184080, 3343284, 3529022, 3714760, 3781095, 3820896, 4033168, 4179105, 4457712, 4537314, 4776120, 5041460, 5293533, 5572140, 6049752, 6368160, 6686568, 7058044, 7429520, 7562190, 8066336, 8358210, 8822555, 8915424, 9074628, 9552240, 10082920, 10587066, 11144280, 11343285, 12099504, 13373136, 14116088, 14859040, 15124380, 15880599, 16716420, 17645110, 18149256, 19104480, 20165840, 21174132, 22288560, 22686570, 24199008, 26467665, 26746272, 28232176, 30248760, 31761198, 33432840, 35290220, 36298512, 40331680, 42348264, 44577120, 45373140, 52935330, 56464352, 60497520, 63522396, 66865680, 70580440, 72597024, 79402995, 84696528, 90746280, 105870660, 120995040, 127044792, 133731360, 141160880, 158805990, 169393056, 181492560, 211741320, 254089584, 282321760, 317611980, 362985120, 423482640, 508179168, 635223960, 846965280, 1270447920, 2540895840]

約数ペア:

[(1, 2540895840), (2, 1270447920), (3, 846965280), (4, 635223960), (5, 508179168), (6, 423482640), (7, 362985120), (8, 317611980), (9, 282321760), (10, 254089584), (12, 211741320), (14, 181492560), (15, 169393056), (16, 158805990), (18, 141160880), (19, 133731360), (20, 127044792), (21, 120995040), (24, 105870660), (28, 90746280), (30, 84696528), (32, 79402995), (35, 72597024), (36, 70580440), (38, 66865680), (40, 63522396), (42, 60497520), (45, 56464352), (48, 52935330), (56, 45373140), (57, 44577120), (60, 42348264), (63, 40331680), (70, 36298512), (72, 35290220), (76, 33432840), (80, 31761198), (84, 30248760), (90, 28232176), (95, 26746272), (96, 26467665), (105, 24199008), (112, 22686570), (114, 22288560), (120, 21174132), (126, 20165840), (133, 19104480), (140, 18149256), (144, 17645110), (152, 16716420), (160, 15880599), (168, 15124380), (171, 14859040), (180, 14116088), (190, 13373136), (210, 12099504), (224, 11343285), (228, 11144280), (240, 10587066), (252, 10082920), (266, 9552240), (280, 9074628), (285, 8915424), (288, 8822555), (304, 8358210), (315, 8066336), (336, 7562190), (342, 7429520), (360, 7058044), (380, 6686568), (399, 6368160), (420, 6049752), (456, 5572140), (480, 5293533), (504, 5041460), (532, 4776120), (560, 4537314), (570, 4457712), (608, 4179105), (630, 4033168), (665, 3820896), (672, 3781095), (684, 3714760), (720, 3529022), (760, 3343284), (798, 3184080), (840, 3024876), (855, 2971808), (912, 2786070), (1008, 2520730), (1064, 2388060), (1120, 2268657), (1140, 2228856), (1197, 2122720), (1260, 2016584), (1330, 1910448), (1368, 1857380), (1440, 1764511), (1520, 1671642), (1596, 1592040), (1680, 1512438), (1710, 1485904), (1824, 1393035), (1995, 1273632), (2016, 1260365), (2128, 1194030), (2280, 1114428), (2394, 1061360), (2520, 1008292), (2660, 955224), (2736, 928690), (3040, 835821), (3192, 796020), (3360, 756219), (3420, 742952), (3990, 636816), (4256, 597015), (4560, 557214), (4788, 530680), (5040, 504146), (5320, 477612), (5472, 464345), (5985, 424544), (6384, 398010), (6840, 371476), (7980, 318408), (9120, 278607), (9576, 265340), (10080, 252073), (10640, 238806), (11970, 212272), (12768, 199005), (13267, 191520), (13680, 185738), (15960, 159204), (19152, 132670), (21280, 119403), (23940, 106136), (26534, 95760), (27360, 92869), (31920, 79602), (38304, 66335), (39801, 63840), (47880, 53068)]