666458880

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{881}}^1$

素因数の和:1102

約数の個数: 144

約数和(自身を含む): 2141735904

約数和(自身を除く): 1475277024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 197, 240, 256, 320, 384, 394, 480, 591, 640, 768, 788, 881, 960, 985, 1182, 1280, 1576, 1762, 1920, 1970, 2364, 2643, 2955, 3152, 3524, 3840, 3940, 4405, 4728, 5286, 5910, 6304, 7048, 7880, 8810, 9456, 10572, 11820, 12608, 13215, 14096, 15760, 17620, 18912, 21144, 23640, 25216, 26430, 28192, 31520, 35240, 37824, 42288, 47280, 50432, 52860, 56384, 63040, 70480, 75648, 84576, 94560, 105720, 112768, 126080, 140960, 151296, 169152, 173557, 189120, 211440, 225536, 252160, 281920, 338304, 347114, 378240, 422880, 520671, 563840, 676608, 694228, 756480, 845760, 867785, 1041342, 1127680, 1388456, 1691520, 1735570, 2082684, 2603355, 2776912, 3383040, 3471140, 4165368, 5206710, 5553824, 6942280, 8330736, 10413420, 11107648, 13884560, 16661472, 20826840, 22215296, 27769120, 33322944, 41653680, 44430592, 55538240, 66645888, 83307360, 111076480, 133291776, 166614720, 222152960, 333229440, 666458880]

約数ペア:

[(1, 666458880), (2, 333229440), (3, 222152960), (4, 166614720), (5, 133291776), (6, 111076480), (8, 83307360), (10, 66645888), (12, 55538240), (15, 44430592), (16, 41653680), (20, 33322944), (24, 27769120), (30, 22215296), (32, 20826840), (40, 16661472), (48, 13884560), (60, 11107648), (64, 10413420), (80, 8330736), (96, 6942280), (120, 5553824), (128, 5206710), (160, 4165368), (192, 3471140), (197, 3383040), (240, 2776912), (256, 2603355), (320, 2082684), (384, 1735570), (394, 1691520), (480, 1388456), (591, 1127680), (640, 1041342), (768, 867785), (788, 845760), (881, 756480), (960, 694228), (985, 676608), (1182, 563840), (1280, 520671), (1576, 422880), (1762, 378240), (1920, 347114), (1970, 338304), (2364, 281920), (2643, 252160), (2955, 225536), (3152, 211440), (3524, 189120), (3840, 173557), (3940, 169152), (4405, 151296), (4728, 140960), (5286, 126080), (5910, 112768), (6304, 105720), (7048, 94560), (7880, 84576), (8810, 75648), (9456, 70480), (10572, 63040), (11820, 56384), (12608, 52860), (13215, 50432), (14096, 47280), (15760, 42288), (17620, 37824), (18912, 35240), (21144, 31520), (23640, 28192), (25216, 26430)]