665631480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{761}}^1$

素因数の和:1009

約数の個数: 128

約数和(自身を含む): 2063983680

約数和(自身を除く): 1398352200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 197, 222, 296, 370, 394, 444, 555, 591, 740, 761, 788, 888, 985, 1110, 1182, 1480, 1522, 1576, 1970, 2220, 2283, 2364, 2955, 3044, 3805, 3940, 4440, 4566, 4728, 5910, 6088, 7289, 7610, 7880, 9132, 11415, 11820, 14578, 15220, 18264, 21867, 22830, 23640, 28157, 29156, 30440, 36445, 43734, 45660, 56314, 58312, 72890, 84471, 87468, 91320, 109335, 112628, 140785, 145780, 149917, 168942, 174936, 218670, 225256, 281570, 291560, 299834, 337884, 422355, 437340, 449751, 563140, 599668, 675768, 749585, 844710, 874680, 899502, 1126280, 1199336, 1499170, 1689420, 1799004, 2248755, 2998340, 3378840, 3598008, 4497510, 5546929, 5996680, 8995020, 11093858, 16640787, 17990040, 22187716, 27734645, 33281574, 44375432, 55469290, 66563148, 83203935, 110938580, 133126296, 166407870, 221877160, 332815740, 665631480]

約数ペア:

[(1, 665631480), (2, 332815740), (3, 221877160), (4, 166407870), (5, 133126296), (6, 110938580), (8, 83203935), (10, 66563148), (12, 55469290), (15, 44375432), (20, 33281574), (24, 27734645), (30, 22187716), (37, 17990040), (40, 16640787), (60, 11093858), (74, 8995020), (111, 5996680), (120, 5546929), (148, 4497510), (185, 3598008), (197, 3378840), (222, 2998340), (296, 2248755), (370, 1799004), (394, 1689420), (444, 1499170), (555, 1199336), (591, 1126280), (740, 899502), (761, 874680), (788, 844710), (888, 749585), (985, 675768), (1110, 599668), (1182, 563140), (1480, 449751), (1522, 437340), (1576, 422355), (1970, 337884), (2220, 299834), (2283, 291560), (2364, 281570), (2955, 225256), (3044, 218670), (3805, 174936), (3940, 168942), (4440, 149917), (4566, 145780), (4728, 140785), (5910, 112628), (6088, 109335), (7289, 91320), (7610, 87468), (7880, 84471), (9132, 72890), (11415, 58312), (11820, 56314), (14578, 45660), (15220, 43734), (18264, 36445), (21867, 30440), (22830, 29156), (23640, 28157)]