140696640

素因数分解:

$2^6\times 3^2\times 5^1\times 7^2\times {\mathrm{997}}^1$

素因数の和:1034

約数の個数: 252

約数和(自身を含む): 563512716

約数和(自身を除く): 422816076

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 392, 420, 441, 448, 480, 490, 504, 560, 576, 588, 630, 672, 720, 735, 784, 840, 882, 960, 980, 997, 1008, 1120, 1176, 1260, 1344, 1440, 1470, 1568, 1680, 1764, 1960, 1994, 2016, 2205, 2240, 2352, 2520, 2880, 2940, 2991, 3136, 3360, 3528, 3920, 3988, 4032, 4410, 4704, 4985, 5040, 5880, 5982, 6720, 6979, 7056, 7840, 7976, 8820, 8973, 9408, 9970, 10080, 11760, 11964, 13958, 14112, 14955, 15680, 15952, 17640, 17946, 19940, 20160, 20937, 23520, 23928, 27916, 28224, 29910, 31904, 34895, 35280, 35892, 39880, 41874, 44865, 47040, 47856, 48853, 55832, 59820, 62811, 63808, 69790, 70560, 71784, 79760, 83748, 89730, 95712, 97706, 104685, 111664, 119640, 125622, 139580, 141120, 143568, 146559, 159520, 167496, 179460, 191424, 195412, 209370, 223328, 239280, 244265, 251244, 279160, 287136, 293118, 314055, 319040, 334992, 358920, 390824, 418740, 439677, 446656, 478560, 488530, 502488, 558320, 574272, 586236, 628110, 669984, 717840, 732795, 781648, 837480, 879354, 957120, 977060, 1004976, 1116640, 1172472, 1256220, 1339968, 1435680, 1465590, 1563296, 1674960, 1758708, 1954120, 2009952, 2198385, 2233280, 2344944, 2512440, 2871360, 2931180, 3126592, 3349920, 3517416, 3908240, 4019904, 4396770, 4689888, 5024880, 5862360, 6699840, 7034832, 7816480, 8793540, 9379776, 10049760, 11724720, 14069664, 15632960, 17587080, 20099520, 23449440, 28139328, 35174160, 46898880, 70348320, 140696640]

約数ペア:

[(1, 140696640), (2, 70348320), (3, 46898880), (4, 35174160), (5, 28139328), (6, 23449440), (7, 20099520), (8, 17587080), (9, 15632960), (10, 14069664), (12, 11724720), (14, 10049760), (15, 9379776), (16, 8793540), (18, 7816480), (20, 7034832), (21, 6699840), (24, 5862360), (28, 5024880), (30, 4689888), (32, 4396770), (35, 4019904), (36, 3908240), (40, 3517416), (42, 3349920), (45, 3126592), (48, 2931180), (49, 2871360), (56, 2512440), (60, 2344944), (63, 2233280), (64, 2198385), (70, 2009952), (72, 1954120), (80, 1758708), (84, 1674960), (90, 1563296), (96, 1465590), (98, 1435680), (105, 1339968), (112, 1256220), (120, 1172472), (126, 1116640), (140, 1004976), (144, 977060), (147, 957120), (160, 879354), (168, 837480), (180, 781648), (192, 732795), (196, 717840), (210, 669984), (224, 628110), (240, 586236), (245, 574272), (252, 558320), (280, 502488), (288, 488530), (294, 478560), (315, 446656), (320, 439677), (336, 418740), (360, 390824), (392, 358920), (420, 334992), (441, 319040), (448, 314055), (480, 293118), (490, 287136), (504, 279160), (560, 251244), (576, 244265), (588, 239280), (630, 223328), (672, 209370), (720, 195412), (735, 191424), (784, 179460), (840, 167496), (882, 159520), (960, 146559), (980, 143568), (997, 141120), (1008, 139580), (1120, 125622), (1176, 119640), (1260, 111664), (1344, 104685), (1440, 97706), (1470, 95712), (1568, 89730), (1680, 83748), (1764, 79760), (1960, 71784), (1994, 70560), (2016, 69790), (2205, 63808), (2240, 62811), (2352, 59820), (2520, 55832), (2880, 48853), (2940, 47856), (2991, 47040), (3136, 44865), (3360, 41874), (3528, 39880), (3920, 35892), (3988, 35280), (4032, 34895), (4410, 31904), (4704, 29910), (4985, 28224), (5040, 27916), (5880, 23928), (5982, 23520), (6720, 20937), (6979, 20160), (7056, 19940), (7840, 17946), (7976, 17640), (8820, 15952), (8973, 15680), (9408, 14955), (9970, 14112), (10080, 13958), (11760, 11964)]