145171840

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1213}}^1$

素因数の和:1260

約数の個数: 128

約数和(自身を含む): 401202720

約数和(自身を除く): 256030880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 128, 136, 160, 170, 176, 187, 220, 272, 320, 340, 352, 374, 440, 544, 640, 680, 704, 748, 880, 935, 1088, 1213, 1360, 1408, 1496, 1760, 1870, 2176, 2426, 2720, 2992, 3520, 3740, 4852, 5440, 5984, 6065, 7040, 7480, 9704, 10880, 11968, 12130, 13343, 14960, 19408, 20621, 23936, 24260, 26686, 29920, 38816, 41242, 48520, 53372, 59840, 66715, 77632, 82484, 97040, 103105, 106744, 119680, 133430, 155264, 164968, 194080, 206210, 213488, 226831, 266860, 329936, 388160, 412420, 426976, 453662, 533720, 659872, 776320, 824840, 853952, 907324, 1067440, 1134155, 1319744, 1649680, 1707904, 1814648, 2134880, 2268310, 2639488, 3299360, 3629296, 4269760, 4536620, 6598720, 7258592, 8539520, 9073240, 13197440, 14517184, 18146480, 29034368, 36292960, 72585920, 145171840]

約数ペア:

[(1, 145171840), (2, 72585920), (4, 36292960), (5, 29034368), (8, 18146480), (10, 14517184), (11, 13197440), (16, 9073240), (17, 8539520), (20, 7258592), (22, 6598720), (32, 4536620), (34, 4269760), (40, 3629296), (44, 3299360), (55, 2639488), (64, 2268310), (68, 2134880), (80, 1814648), (85, 1707904), (88, 1649680), (110, 1319744), (128, 1134155), (136, 1067440), (160, 907324), (170, 853952), (176, 824840), (187, 776320), (220, 659872), (272, 533720), (320, 453662), (340, 426976), (352, 412420), (374, 388160), (440, 329936), (544, 266860), (640, 226831), (680, 213488), (704, 206210), (748, 194080), (880, 164968), (935, 155264), (1088, 133430), (1213, 119680), (1360, 106744), (1408, 103105), (1496, 97040), (1760, 82484), (1870, 77632), (2176, 66715), (2426, 59840), (2720, 53372), (2992, 48520), (3520, 41242), (3740, 38816), (4852, 29920), (5440, 26686), (5984, 24260), (6065, 23936), (7040, 20621), (7480, 19408), (9704, 14960), (10880, 13343), (11968, 12130)]