81797760

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1291}}^1$

素因数の和:1327

約数の個数: 192

約数和(自身を含む): 308374560

約数和(自身を除く): 226576800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 128, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 264, 288, 320, 330, 352, 360, 384, 396, 440, 480, 495, 528, 576, 640, 660, 704, 720, 792, 880, 960, 990, 1056, 1152, 1291, 1320, 1408, 1440, 1584, 1760, 1920, 1980, 2112, 2582, 2640, 2880, 3168, 3520, 3873, 3960, 4224, 5164, 5280, 5760, 6336, 6455, 7040, 7746, 7920, 10328, 10560, 11619, 12672, 12910, 14201, 15492, 15840, 19365, 20656, 21120, 23238, 25820, 28402, 30984, 31680, 38730, 41312, 42603, 46476, 51640, 56804, 58095, 61968, 63360, 71005, 77460, 82624, 85206, 92952, 103280, 113608, 116190, 123936, 127809, 142010, 154920, 165248, 170412, 185904, 206560, 213015, 227216, 232380, 247872, 255618, 284020, 309840, 340824, 371808, 413120, 426030, 454432, 464760, 495744, 511236, 568040, 619680, 639045, 681648, 743616, 826240, 852060, 908864, 929520, 1022472, 1136080, 1239360, 1278090, 1363296, 1487232, 1704120, 1817728, 1859040, 2044944, 2272160, 2478720, 2556180, 2726592, 3408240, 3718080, 4089888, 4544320, 5112360, 5453184, 6816480, 7436160, 8179776, 9088640, 10224720, 13632960, 16359552, 20449440, 27265920, 40898880, 81797760]

約数ペア:

[(1, 81797760), (2, 40898880), (3, 27265920), (4, 20449440), (5, 16359552), (6, 13632960), (8, 10224720), (9, 9088640), (10, 8179776), (11, 7436160), (12, 6816480), (15, 5453184), (16, 5112360), (18, 4544320), (20, 4089888), (22, 3718080), (24, 3408240), (30, 2726592), (32, 2556180), (33, 2478720), (36, 2272160), (40, 2044944), (44, 1859040), (45, 1817728), (48, 1704120), (55, 1487232), (60, 1363296), (64, 1278090), (66, 1239360), (72, 1136080), (80, 1022472), (88, 929520), (90, 908864), (96, 852060), (99, 826240), (110, 743616), (120, 681648), (128, 639045), (132, 619680), (144, 568040), (160, 511236), (165, 495744), (176, 464760), (180, 454432), (192, 426030), (198, 413120), (220, 371808), (240, 340824), (264, 309840), (288, 284020), (320, 255618), (330, 247872), (352, 232380), (360, 227216), (384, 213015), (396, 206560), (440, 185904), (480, 170412), (495, 165248), (528, 154920), (576, 142010), (640, 127809), (660, 123936), (704, 116190), (720, 113608), (792, 103280), (880, 92952), (960, 85206), (990, 82624), (1056, 77460), (1152, 71005), (1291, 63360), (1320, 61968), (1408, 58095), (1440, 56804), (1584, 51640), (1760, 46476), (1920, 42603), (1980, 41312), (2112, 38730), (2582, 31680), (2640, 30984), (2880, 28402), (3168, 25820), (3520, 23238), (3873, 21120), (3960, 20656), (4224, 19365), (5164, 15840), (5280, 15492), (5760, 14201), (6336, 12910), (6455, 12672), (7040, 11619), (7746, 10560), (7920, 10328)]