81480816

素因数分解:

$2^4\times 3^5\times {\mathrm{19}}^1\times {\mathrm{1103}}^1$

素因数の和:1145

約数の個数: 120

約数和(自身を含む): 249150720

約数和(自身を除く): 167669904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 81, 108, 114, 144, 152, 162, 171, 216, 228, 243, 304, 324, 342, 432, 456, 486, 513, 648, 684, 912, 972, 1026, 1103, 1296, 1368, 1539, 1944, 2052, 2206, 2736, 3078, 3309, 3888, 4104, 4412, 4617, 6156, 6618, 8208, 8824, 9234, 9927, 12312, 13236, 17648, 18468, 19854, 20957, 24624, 26472, 29781, 36936, 39708, 41914, 52944, 59562, 62871, 73872, 79416, 83828, 89343, 119124, 125742, 158832, 167656, 178686, 188613, 238248, 251484, 268029, 335312, 357372, 377226, 476496, 502968, 536058, 565839, 714744, 754452, 1005936, 1072116, 1131678, 1429488, 1508904, 1697517, 2144232, 2263356, 3017808, 3395034, 4288464, 4526712, 5092551, 6790068, 9053424, 10185102, 13580136, 20370204, 27160272, 40740408, 81480816]

約数ペア:

[(1, 81480816), (2, 40740408), (3, 27160272), (4, 20370204), (6, 13580136), (8, 10185102), (9, 9053424), (12, 6790068), (16, 5092551), (18, 4526712), (19, 4288464), (24, 3395034), (27, 3017808), (36, 2263356), (38, 2144232), (48, 1697517), (54, 1508904), (57, 1429488), (72, 1131678), (76, 1072116), (81, 1005936), (108, 754452), (114, 714744), (144, 565839), (152, 536058), (162, 502968), (171, 476496), (216, 377226), (228, 357372), (243, 335312), (304, 268029), (324, 251484), (342, 238248), (432, 188613), (456, 178686), (486, 167656), (513, 158832), (648, 125742), (684, 119124), (912, 89343), (972, 83828), (1026, 79416), (1103, 73872), (1296, 62871), (1368, 59562), (1539, 52944), (1944, 41914), (2052, 39708), (2206, 36936), (2736, 29781), (3078, 26472), (3309, 24624), (3888, 20957), (4104, 19854), (4412, 18468), (4617, 17648), (6156, 13236), (6618, 12312), (8208, 9927), (8824, 9234)]