2478049391240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{3313}}^1\times {\mathrm{4127}}^1$

素因数の和:7671

約数の個数: 128

約数和(自身を含む): 5850744514560

約数和(自身を除く): 3372695123320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 197, 230, 394, 460, 788, 920, 985, 1576, 1970, 3313, 3940, 4127, 4531, 6626, 7880, 8254, 9062, 13252, 16508, 16565, 18124, 20635, 22655, 26504, 33016, 33130, 36248, 41270, 45310, 66260, 76199, 82540, 90620, 94921, 132520, 152398, 165080, 181240, 189842, 304796, 379684, 380995, 474605, 609592, 652661, 759368, 761990, 813019, 949210, 1305322, 1523980, 1626038, 1898420, 2610644, 3047960, 3252076, 3263305, 3796840, 4065095, 5221288, 6504152, 6526610, 8130190, 13053220, 13672751, 15011203, 16260380, 18699437, 26106440, 27345502, 30022406, 32520760, 37398874, 54691004, 60044812, 68363755, 74797748, 75056015, 93497185, 109382008, 120089624, 136727510, 149595496, 150112030, 186994370, 273455020, 300224060, 314473273, 373988740, 546910040, 600448120, 628946546, 747977480, 1257893092, 1572366365, 2515786184, 2693531947, 3144732730, 5387063894, 6289465460, 10774127788, 12578930920, 13467659735, 21548255576, 26935319470, 53870638940, 61951234781, 107741277880, 123902469562, 247804939124, 309756173905, 495609878248, 619512347810, 1239024695620, 2478049391240]

約数ペア:

[(1, 2478049391240), (2, 1239024695620), (4, 619512347810), (5, 495609878248), (8, 309756173905), (10, 247804939124), (20, 123902469562), (23, 107741277880), (40, 61951234781), (46, 53870638940), (92, 26935319470), (115, 21548255576), (184, 13467659735), (197, 12578930920), (230, 10774127788), (394, 6289465460), (460, 5387063894), (788, 3144732730), (920, 2693531947), (985, 2515786184), (1576, 1572366365), (1970, 1257893092), (3313, 747977480), (3940, 628946546), (4127, 600448120), (4531, 546910040), (6626, 373988740), (7880, 314473273), (8254, 300224060), (9062, 273455020), (13252, 186994370), (16508, 150112030), (16565, 149595496), (18124, 136727510), (20635, 120089624), (22655, 109382008), (26504, 93497185), (33016, 75056015), (33130, 74797748), (36248, 68363755), (41270, 60044812), (45310, 54691004), (66260, 37398874), (76199, 32520760), (82540, 30022406), (90620, 27345502), (94921, 26106440), (132520, 18699437), (152398, 16260380), (165080, 15011203), (181240, 13672751), (189842, 13053220), (304796, 8130190), (379684, 6526610), (380995, 6504152), (474605, 5221288), (609592, 4065095), (652661, 3796840), (759368, 3263305), (761990, 3252076), (813019, 3047960), (949210, 2610644), (1305322, 1898420), (1523980, 1626038)]