720885984

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{461}}^1$

素因数の和:673

約数の個数: 192

約数和(自身を含む): 2347107840

約数和(自身を除く): 1626221856

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 78, 84, 91, 96, 104, 112, 156, 168, 179, 182, 208, 224, 273, 312, 336, 358, 364, 416, 461, 537, 546, 624, 672, 716, 728, 922, 1074, 1092, 1248, 1253, 1383, 1432, 1456, 1844, 2148, 2184, 2327, 2506, 2766, 2864, 2912, 3227, 3688, 3759, 4296, 4368, 4654, 5012, 5532, 5728, 5993, 6454, 6981, 7376, 7518, 8592, 8736, 9308, 9681, 10024, 11064, 11986, 12908, 13962, 14752, 15036, 16289, 17184, 17979, 18616, 19362, 20048, 22128, 23972, 25816, 27924, 30072, 32578, 35958, 37232, 38724, 40096, 41951, 44256, 47944, 48867, 51632, 55848, 60144, 65156, 71916, 74464, 77448, 82519, 83902, 95888, 97734, 103264, 111696, 120288, 125853, 130312, 143832, 154896, 165038, 167804, 191776, 195468, 223392, 247557, 251706, 260624, 287664, 309792, 330076, 335608, 390936, 495114, 503412, 521248, 575328, 577633, 660152, 671216, 781872, 990228, 1006824, 1072747, 1155266, 1320304, 1342432, 1563744, 1732899, 1980456, 2013648, 2145494, 2310532, 2640608, 3218241, 3465798, 3960912, 4027296, 4290988, 4621064, 6436482, 6931596, 7509229, 7921824, 8581976, 9242128, 12872964, 13863192, 15018458, 17163952, 18484256, 22527687, 25745928, 27726384, 30036916, 34327904, 45055374, 51491856, 55452768, 60073832, 90110748, 102983712, 120147664, 180221496, 240295328, 360442992, 720885984]

約数ペア:

[(1, 720885984), (2, 360442992), (3, 240295328), (4, 180221496), (6, 120147664), (7, 102983712), (8, 90110748), (12, 60073832), (13, 55452768), (14, 51491856), (16, 45055374), (21, 34327904), (24, 30036916), (26, 27726384), (28, 25745928), (32, 22527687), (39, 18484256), (42, 17163952), (48, 15018458), (52, 13863192), (56, 12872964), (78, 9242128), (84, 8581976), (91, 7921824), (96, 7509229), (104, 6931596), (112, 6436482), (156, 4621064), (168, 4290988), (179, 4027296), (182, 3960912), (208, 3465798), (224, 3218241), (273, 2640608), (312, 2310532), (336, 2145494), (358, 2013648), (364, 1980456), (416, 1732899), (461, 1563744), (537, 1342432), (546, 1320304), (624, 1155266), (672, 1072747), (716, 1006824), (728, 990228), (922, 781872), (1074, 671216), (1092, 660152), (1248, 577633), (1253, 575328), (1383, 521248), (1432, 503412), (1456, 495114), (1844, 390936), (2148, 335608), (2184, 330076), (2327, 309792), (2506, 287664), (2766, 260624), (2864, 251706), (2912, 247557), (3227, 223392), (3688, 195468), (3759, 191776), (4296, 167804), (4368, 165038), (4654, 154896), (5012, 143832), (5532, 130312), (5728, 125853), (5993, 120288), (6454, 111696), (6981, 103264), (7376, 97734), (7518, 95888), (8592, 83902), (8736, 82519), (9308, 77448), (9681, 74464), (10024, 71916), (11064, 65156), (11986, 60144), (12908, 55848), (13962, 51632), (14752, 48867), (15036, 47944), (16289, 44256), (17184, 41951), (17979, 40096), (18616, 38724), (19362, 37232), (20048, 35958), (22128, 32578), (23972, 30072), (25816, 27924)]