81775320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1511}}^1$

素因数の和:1577

約数の個数: 128

約数和(自身を含む): 274337280

約数和(自身を除く): 192561960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 41, 44, 55, 60, 66, 82, 88, 110, 120, 123, 132, 164, 165, 205, 220, 246, 264, 328, 330, 410, 440, 451, 492, 615, 660, 820, 902, 984, 1230, 1320, 1353, 1511, 1640, 1804, 2255, 2460, 2706, 3022, 3608, 4510, 4533, 4920, 5412, 6044, 6765, 7555, 9020, 9066, 10824, 12088, 13530, 15110, 16621, 18040, 18132, 22665, 27060, 30220, 33242, 36264, 45330, 49863, 54120, 60440, 61951, 66484, 83105, 90660, 99726, 123902, 132968, 166210, 181320, 185853, 199452, 247804, 249315, 309755, 332420, 371706, 398904, 495608, 498630, 619510, 664840, 681461, 743412, 929265, 997260, 1239020, 1362922, 1486824, 1858530, 1994520, 2044383, 2478040, 2725844, 3407305, 3717060, 4088766, 5451688, 6814610, 7434120, 8177532, 10221915, 13629220, 16355064, 20443830, 27258440, 40887660, 81775320]

約数ペア:

[(1, 81775320), (2, 40887660), (3, 27258440), (4, 20443830), (5, 16355064), (6, 13629220), (8, 10221915), (10, 8177532), (11, 7434120), (12, 6814610), (15, 5451688), (20, 4088766), (22, 3717060), (24, 3407305), (30, 2725844), (33, 2478040), (40, 2044383), (41, 1994520), (44, 1858530), (55, 1486824), (60, 1362922), (66, 1239020), (82, 997260), (88, 929265), (110, 743412), (120, 681461), (123, 664840), (132, 619510), (164, 498630), (165, 495608), (205, 398904), (220, 371706), (246, 332420), (264, 309755), (328, 249315), (330, 247804), (410, 199452), (440, 185853), (451, 181320), (492, 166210), (615, 132968), (660, 123902), (820, 99726), (902, 90660), (984, 83105), (1230, 66484), (1320, 61951), (1353, 60440), (1511, 54120), (1640, 49863), (1804, 45330), (2255, 36264), (2460, 33242), (2706, 30220), (3022, 27060), (3608, 22665), (4510, 18132), (4533, 18040), (4920, 16621), (5412, 15110), (6044, 13530), (6765, 12088), (7555, 10824), (9020, 9066)]