668540160

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{443}}^1$

素因数の和:601

約数の個数: 216

約数和(自身を含む): 2335997664

約数和(自身を除く): 1667457504

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 131, 144, 160, 180, 192, 240, 256, 262, 288, 320, 360, 384, 393, 443, 480, 524, 576, 640, 655, 720, 768, 786, 886, 960, 1048, 1152, 1179, 1280, 1310, 1329, 1440, 1572, 1772, 1920, 1965, 2096, 2215, 2304, 2358, 2620, 2658, 2880, 3144, 3544, 3840, 3930, 3987, 4192, 4430, 4716, 5240, 5316, 5760, 5895, 6288, 6645, 7088, 7860, 7974, 8384, 8860, 9432, 10480, 10632, 11520, 11790, 12576, 13290, 14176, 15720, 15948, 16768, 17720, 18864, 19935, 20960, 21264, 23580, 25152, 26580, 28352, 31440, 31896, 33536, 35440, 37728, 39870, 41920, 42528, 47160, 50304, 53160, 56704, 58033, 62880, 63792, 70880, 75456, 79740, 83840, 85056, 94320, 100608, 106320, 113408, 116066, 125760, 127584, 141760, 150912, 159480, 167680, 170112, 174099, 188640, 212640, 232132, 251520, 255168, 283520, 290165, 301824, 318960, 340224, 348198, 377280, 425280, 464264, 503040, 510336, 522297, 567040, 580330, 637920, 696396, 754560, 850560, 870495, 928528, 1020672, 1044594, 1160660, 1275840, 1392792, 1509120, 1701120, 1740990, 1857056, 2089188, 2321320, 2551680, 2611485, 2785584, 3481980, 3714112, 4178376, 4642640, 5103360, 5222970, 5571168, 6963960, 7428224, 8356752, 9285280, 10445940, 11142336, 13927920, 14856448, 16713504, 18570560, 20891880, 22284672, 27855840, 33427008, 37141120, 41783760, 44569344, 55711680, 66854016, 74282240, 83567520, 111423360, 133708032, 167135040, 222846720, 334270080, 668540160]

約数ペア:

[(1, 668540160), (2, 334270080), (3, 222846720), (4, 167135040), (5, 133708032), (6, 111423360), (8, 83567520), (9, 74282240), (10, 66854016), (12, 55711680), (15, 44569344), (16, 41783760), (18, 37141120), (20, 33427008), (24, 27855840), (30, 22284672), (32, 20891880), (36, 18570560), (40, 16713504), (45, 14856448), (48, 13927920), (60, 11142336), (64, 10445940), (72, 9285280), (80, 8356752), (90, 7428224), (96, 6963960), (120, 5571168), (128, 5222970), (131, 5103360), (144, 4642640), (160, 4178376), (180, 3714112), (192, 3481980), (240, 2785584), (256, 2611485), (262, 2551680), (288, 2321320), (320, 2089188), (360, 1857056), (384, 1740990), (393, 1701120), (443, 1509120), (480, 1392792), (524, 1275840), (576, 1160660), (640, 1044594), (655, 1020672), (720, 928528), (768, 870495), (786, 850560), (886, 754560), (960, 696396), (1048, 637920), (1152, 580330), (1179, 567040), (1280, 522297), (1310, 510336), (1329, 503040), (1440, 464264), (1572, 425280), (1772, 377280), (1920, 348198), (1965, 340224), (2096, 318960), (2215, 301824), (2304, 290165), (2358, 283520), (2620, 255168), (2658, 251520), (2880, 232132), (3144, 212640), (3544, 188640), (3840, 174099), (3930, 170112), (3987, 167680), (4192, 159480), (4430, 150912), (4716, 141760), (5240, 127584), (5316, 125760), (5760, 116066), (5895, 113408), (6288, 106320), (6645, 100608), (7088, 94320), (7860, 85056), (7974, 83840), (8384, 79740), (8860, 75456), (9432, 70880), (10480, 63792), (10632, 62880), (11520, 58033), (11790, 56704), (12576, 53160), (13290, 50304), (14176, 47160), (15720, 42528), (15948, 41920), (16768, 39870), (17720, 37728), (18864, 35440), (19935, 33536), (20960, 31896), (21264, 31440), (23580, 28352), (25152, 26580)]