78708480

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:326

約数の個数: 144

約数和(自身を含む): 255091200

約数和(自身を除く): 176382720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 103, 120, 128, 160, 192, 199, 206, 240, 256, 309, 320, 384, 398, 412, 480, 515, 597, 618, 640, 768, 796, 824, 960, 995, 1030, 1194, 1236, 1280, 1545, 1592, 1648, 1920, 1990, 2060, 2388, 2472, 2985, 3090, 3184, 3296, 3840, 3980, 4120, 4776, 4944, 5970, 6180, 6368, 6592, 7960, 8240, 9552, 9888, 11940, 12360, 12736, 13184, 15920, 16480, 19104, 19776, 20497, 23880, 24720, 25472, 26368, 31840, 32960, 38208, 39552, 40994, 47760, 49440, 50944, 61491, 63680, 65920, 76416, 79104, 81988, 95520, 98880, 102485, 122982, 127360, 131840, 152832, 163976, 191040, 197760, 204970, 245964, 254720, 307455, 327952, 382080, 395520, 409940, 491928, 614910, 655904, 764160, 819880, 983856, 1229820, 1311808, 1639760, 1967712, 2459640, 2623616, 3279520, 3935424, 4919280, 5247232, 6559040, 7870848, 9838560, 13118080, 15741696, 19677120, 26236160, 39354240, 78708480]

約数ペア:

[(1, 78708480), (2, 39354240), (3, 26236160), (4, 19677120), (5, 15741696), (6, 13118080), (8, 9838560), (10, 7870848), (12, 6559040), (15, 5247232), (16, 4919280), (20, 3935424), (24, 3279520), (30, 2623616), (32, 2459640), (40, 1967712), (48, 1639760), (60, 1311808), (64, 1229820), (80, 983856), (96, 819880), (103, 764160), (120, 655904), (128, 614910), (160, 491928), (192, 409940), (199, 395520), (206, 382080), (240, 327952), (256, 307455), (309, 254720), (320, 245964), (384, 204970), (398, 197760), (412, 191040), (480, 163976), (515, 152832), (597, 131840), (618, 127360), (640, 122982), (768, 102485), (796, 98880), (824, 95520), (960, 81988), (995, 79104), (1030, 76416), (1194, 65920), (1236, 63680), (1280, 61491), (1545, 50944), (1592, 49440), (1648, 47760), (1920, 40994), (1990, 39552), (2060, 38208), (2388, 32960), (2472, 31840), (2985, 26368), (3090, 25472), (3184, 24720), (3296, 23880), (3840, 20497), (3980, 19776), (4120, 19104), (4776, 16480), (4944, 15920), (5970, 13184), (6180, 12736), (6368, 12360), (6592, 11940), (7960, 9888), (8240, 9552)]