80387388

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{509}}^1$

素因数の和:667

約数の個数: 72

約数和(自身を含む): 210515760

約数和(自身を除く): 130128372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 107, 123, 164, 214, 246, 321, 369, 428, 492, 509, 642, 738, 963, 1018, 1284, 1476, 1527, 1926, 2036, 3054, 3852, 4387, 4581, 6108, 8774, 9162, 13161, 17548, 18324, 20869, 26322, 39483, 41738, 52644, 54463, 62607, 78966, 83476, 108926, 125214, 157932, 163389, 187821, 217852, 250428, 326778, 375642, 490167, 653556, 751284, 980334, 1960668, 2232983, 4465966, 6698949, 8931932, 13397898, 20096847, 26795796, 40193694, 80387388]

約数ペア:

[(1, 80387388), (2, 40193694), (3, 26795796), (4, 20096847), (6, 13397898), (9, 8931932), (12, 6698949), (18, 4465966), (36, 2232983), (41, 1960668), (82, 980334), (107, 751284), (123, 653556), (164, 490167), (214, 375642), (246, 326778), (321, 250428), (369, 217852), (428, 187821), (492, 163389), (509, 157932), (642, 125214), (738, 108926), (963, 83476), (1018, 78966), (1284, 62607), (1476, 54463), (1527, 52644), (1926, 41738), (2036, 39483), (3054, 26322), (3852, 20869), (4387, 18324), (4581, 17548), (6108, 13161), (8774, 9162)]