80071680

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:442

約数の個数: 176

約数和(自身を含む): 276492384

約数和(自身を除く): 196420704

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 401, 416, 480, 512, 520, 624, 640, 768, 780, 802, 832, 960, 1024, 1040, 1203, 1248, 1280, 1536, 1560, 1604, 1664, 1920, 2005, 2080, 2406, 2496, 2560, 3072, 3120, 3208, 3328, 3840, 4010, 4160, 4812, 4992, 5120, 5213, 6015, 6240, 6416, 6656, 7680, 8020, 8320, 9624, 9984, 10426, 12030, 12480, 12832, 13312, 15360, 15639, 16040, 16640, 19248, 19968, 20852, 24060, 24960, 25664, 26065, 31278, 32080, 33280, 38496, 39936, 41704, 48120, 49920, 51328, 52130, 62556, 64160, 66560, 76992, 78195, 83408, 96240, 99840, 102656, 104260, 125112, 128320, 153984, 156390, 166816, 192480, 199680, 205312, 208520, 250224, 256640, 307968, 312780, 333632, 384960, 410624, 417040, 500448, 513280, 615936, 625560, 667264, 769920, 834080, 1000896, 1026560, 1231872, 1251120, 1334528, 1539840, 1668160, 2001792, 2053120, 2502240, 2669056, 3079680, 3336320, 4003584, 5004480, 5338112, 6159360, 6672640, 8007168, 10008960, 13345280, 16014336, 20017920, 26690560, 40035840, 80071680]

約数ペア:

[(1, 80071680), (2, 40035840), (3, 26690560), (4, 20017920), (5, 16014336), (6, 13345280), (8, 10008960), (10, 8007168), (12, 6672640), (13, 6159360), (15, 5338112), (16, 5004480), (20, 4003584), (24, 3336320), (26, 3079680), (30, 2669056), (32, 2502240), (39, 2053120), (40, 2001792), (48, 1668160), (52, 1539840), (60, 1334528), (64, 1251120), (65, 1231872), (78, 1026560), (80, 1000896), (96, 834080), (104, 769920), (120, 667264), (128, 625560), (130, 615936), (156, 513280), (160, 500448), (192, 417040), (195, 410624), (208, 384960), (240, 333632), (256, 312780), (260, 307968), (312, 256640), (320, 250224), (384, 208520), (390, 205312), (401, 199680), (416, 192480), (480, 166816), (512, 156390), (520, 153984), (624, 128320), (640, 125112), (768, 104260), (780, 102656), (802, 99840), (832, 96240), (960, 83408), (1024, 78195), (1040, 76992), (1203, 66560), (1248, 64160), (1280, 62556), (1536, 52130), (1560, 51328), (1604, 49920), (1664, 48120), (1920, 41704), (2005, 39936), (2080, 38496), (2406, 33280), (2496, 32080), (2560, 31278), (3072, 26065), (3120, 25664), (3208, 24960), (3328, 24060), (3840, 20852), (4010, 19968), (4160, 19248), (4812, 16640), (4992, 16040), (5120, 15639), (5213, 15360), (6015, 13312), (6240, 12832), (6416, 12480), (6656, 12030), (7680, 10426), (8020, 9984), (8320, 9624)]