81468144

素因数分解:

$2^4\times 3^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:339

約数の個数: 120

約数和(自身を含む): 238318080

約数和(自身を除く): 156849936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 43, 48, 59, 72, 86, 118, 129, 144, 172, 177, 223, 236, 258, 344, 354, 387, 446, 472, 516, 531, 669, 688, 708, 774, 892, 944, 1032, 1062, 1338, 1416, 1548, 1784, 2007, 2064, 2124, 2537, 2676, 2832, 3096, 3568, 4014, 4248, 5074, 5352, 6192, 7611, 8028, 8496, 9589, 10148, 10704, 13157, 15222, 16056, 19178, 20296, 22833, 26314, 28767, 30444, 32112, 38356, 39471, 40592, 45666, 52628, 57534, 60888, 76712, 78942, 86301, 91332, 105256, 115068, 118413, 121776, 153424, 157884, 172602, 182664, 210512, 230136, 236826, 315768, 345204, 365328, 460272, 473652, 565751, 631536, 690408, 947304, 1131502, 1380816, 1697253, 1894608, 2263004, 3394506, 4526008, 5091759, 6789012, 9052016, 10183518, 13578024, 20367036, 27156048, 40734072, 81468144]

約数ペア:

[(1, 81468144), (2, 40734072), (3, 27156048), (4, 20367036), (6, 13578024), (8, 10183518), (9, 9052016), (12, 6789012), (16, 5091759), (18, 4526008), (24, 3394506), (36, 2263004), (43, 1894608), (48, 1697253), (59, 1380816), (72, 1131502), (86, 947304), (118, 690408), (129, 631536), (144, 565751), (172, 473652), (177, 460272), (223, 365328), (236, 345204), (258, 315768), (344, 236826), (354, 230136), (387, 210512), (446, 182664), (472, 172602), (516, 157884), (531, 153424), (669, 121776), (688, 118413), (708, 115068), (774, 105256), (892, 91332), (944, 86301), (1032, 78942), (1062, 76712), (1338, 60888), (1416, 57534), (1548, 52628), (1784, 45666), (2007, 40592), (2064, 39471), (2124, 38356), (2537, 32112), (2676, 30444), (2832, 28767), (3096, 26314), (3568, 22833), (4014, 20296), (4248, 19178), (5074, 16056), (5352, 15222), (6192, 13157), (7611, 10704), (8028, 10148), (8496, 9589)]