220991976

素因数分解:

$2^3\times 3^7\times {\mathrm{17}}^1\times {\mathrm{743}}^1$

素因数の和:787

約数の個数: 128

約数和(自身を含む): 658886400

約数和(自身を除く): 437894424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 68, 72, 81, 102, 108, 136, 153, 162, 204, 216, 243, 306, 324, 408, 459, 486, 612, 648, 729, 743, 918, 972, 1224, 1377, 1458, 1486, 1836, 1944, 2187, 2229, 2754, 2916, 2972, 3672, 4131, 4374, 4458, 5508, 5832, 5944, 6687, 8262, 8748, 8916, 11016, 12393, 12631, 13374, 16524, 17496, 17832, 20061, 24786, 25262, 26748, 33048, 37179, 37893, 40122, 49572, 50524, 53496, 60183, 74358, 75786, 80244, 99144, 101048, 113679, 120366, 148716, 151572, 160488, 180549, 227358, 240732, 297432, 303144, 341037, 361098, 454716, 481464, 541647, 682074, 722196, 909432, 1023111, 1083294, 1364148, 1444392, 1624941, 2046222, 2166588, 2728296, 3069333, 3249882, 4092444, 4333176, 6138666, 6499764, 8184888, 9207999, 12277332, 12999528, 18415998, 24554664, 27623997, 36831996, 55247994, 73663992, 110495988, 220991976]

約数ペア:

[(1, 220991976), (2, 110495988), (3, 73663992), (4, 55247994), (6, 36831996), (8, 27623997), (9, 24554664), (12, 18415998), (17, 12999528), (18, 12277332), (24, 9207999), (27, 8184888), (34, 6499764), (36, 6138666), (51, 4333176), (54, 4092444), (68, 3249882), (72, 3069333), (81, 2728296), (102, 2166588), (108, 2046222), (136, 1624941), (153, 1444392), (162, 1364148), (204, 1083294), (216, 1023111), (243, 909432), (306, 722196), (324, 682074), (408, 541647), (459, 481464), (486, 454716), (612, 361098), (648, 341037), (729, 303144), (743, 297432), (918, 240732), (972, 227358), (1224, 180549), (1377, 160488), (1458, 151572), (1486, 148716), (1836, 120366), (1944, 113679), (2187, 101048), (2229, 99144), (2754, 80244), (2916, 75786), (2972, 74358), (3672, 60183), (4131, 53496), (4374, 50524), (4458, 49572), (5508, 40122), (5832, 37893), (5944, 37179), (6687, 33048), (8262, 26748), (8748, 25262), (8916, 24786), (11016, 20061), (12393, 17832), (12631, 17496), (13374, 16524)]