1638211680

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{491}}^1$

素因数の和:850

約数の個数: 288

約数和(自身を含む): 6421379328

約数和(自身を除く): 4783167648

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, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 331, 336, 360, 420, 480, 491, 504, 560, 630, 662, 672, 720, 840, 982, 993, 1008, 1120, 1260, 1324, 1440, 1473, 1655, 1680, 1964, 1986, 2016, 2317, 2455, 2520, 2648, 2946, 2979, 3310, 3360, 3437, 3928, 3972, 4419, 4634, 4910, 4965, 5040, 5296, 5892, 5958, 6620, 6874, 6951, 7365, 7856, 7944, 8838, 9268, 9820, 9930, 10080, 10311, 10592, 11585, 11784, 11916, 13240, 13748, 13902, 14730, 14895, 15712, 15888, 17185, 17676, 18536, 19640, 19860, 20622, 20853, 22095, 23170, 23568, 23832, 26480, 27496, 27804, 29460, 29790, 30933, 31776, 34370, 34755, 35352, 37072, 39280, 39720, 41244, 41706, 44190, 46340, 47136, 47664, 51555, 52960, 54992, 55608, 58920, 59580, 61866, 68740, 69510, 70704, 74144, 78560, 79440, 82488, 83412, 88380, 92680, 95328, 103110, 104265, 109984, 111216, 117840, 119160, 123732, 137480, 139020, 141408, 154665, 158880, 162521, 164976, 166824, 176760, 185360, 206220, 208530, 222432, 235680, 238320, 247464, 274960, 278040, 309330, 325042, 329952, 333648, 353520, 370720, 412440, 417060, 476640, 487563, 494928, 549920, 556080, 618660, 650084, 667296, 707040, 812605, 824880, 834120, 975126, 989856, 1112160, 1137647, 1237320, 1300168, 1462689, 1625210, 1649760, 1668240, 1950252, 2275294, 2437815, 2474640, 2600336, 2925378, 3250420, 3336480, 3412941, 3900504, 4550588, 4875630, 4949280, 5200672, 5688235, 5850756, 6500840, 6825882, 7313445, 7801008, 9101176, 9751260, 10238823, 11376470, 11701512, 13001680, 13651764, 14626890, 15602016, 17064705, 18202352, 19502520, 20477646, 22752940, 23403024, 26003360, 27303528, 29253780, 34129410, 36404704, 39005040, 40955292, 45505880, 46806048, 51194115, 54607056, 58507560, 68258820, 78010080, 81910584, 91011760, 102388230, 109214112, 117015120, 136517640, 163821168, 182023520, 204776460, 234030240, 273035280, 327642336, 409552920, 546070560, 819105840, 1638211680]

約数ペア:

[(1, 1638211680), (2, 819105840), (3, 546070560), (4, 409552920), (5, 327642336), (6, 273035280), (7, 234030240), (8, 204776460), (9, 182023520), (10, 163821168), (12, 136517640), (14, 117015120), (15, 109214112), (16, 102388230), (18, 91011760), (20, 81910584), (21, 78010080), (24, 68258820), (28, 58507560), (30, 54607056), (32, 51194115), (35, 46806048), (36, 45505880), (40, 40955292), (42, 39005040), (45, 36404704), (48, 34129410), (56, 29253780), (60, 27303528), (63, 26003360), (70, 23403024), (72, 22752940), (80, 20477646), (84, 19502520), (90, 18202352), (96, 17064705), (105, 15602016), (112, 14626890), (120, 13651764), (126, 13001680), (140, 11701512), (144, 11376470), (160, 10238823), (168, 9751260), (180, 9101176), (210, 7801008), (224, 7313445), (240, 6825882), (252, 6500840), (280, 5850756), (288, 5688235), (315, 5200672), (331, 4949280), (336, 4875630), (360, 4550588), (420, 3900504), (480, 3412941), (491, 3336480), (504, 3250420), (560, 2925378), (630, 2600336), (662, 2474640), (672, 2437815), (720, 2275294), (840, 1950252), (982, 1668240), (993, 1649760), (1008, 1625210), (1120, 1462689), (1260, 1300168), (1324, 1237320), (1440, 1137647), (1473, 1112160), (1655, 989856), (1680, 975126), (1964, 834120), (1986, 824880), (2016, 812605), (2317, 707040), (2455, 667296), (2520, 650084), (2648, 618660), (2946, 556080), (2979, 549920), (3310, 494928), (3360, 487563), (3437, 476640), (3928, 417060), (3972, 412440), (4419, 370720), (4634, 353520), (4910, 333648), (4965, 329952), (5040, 325042), (5296, 309330), (5892, 278040), (5958, 274960), (6620, 247464), (6874, 238320), (6951, 235680), (7365, 222432), (7856, 208530), (7944, 206220), (8838, 185360), (9268, 176760), (9820, 166824), (9930, 164976), (10080, 162521), (10311, 158880), (10592, 154665), (11585, 141408), (11784, 139020), (11916, 137480), (13240, 123732), (13748, 119160), (13902, 117840), (14730, 111216), (14895, 109984), (15712, 104265), (15888, 103110), (17185, 95328), (17676, 92680), (18536, 88380), (19640, 83412), (19860, 82488), (20622, 79440), (20853, 78560), (22095, 74144), (23170, 70704), (23568, 69510), (23832, 68740), (26480, 61866), (27496, 59580), (27804, 58920), (29460, 55608), (29790, 54992), (30933, 52960), (31776, 51555), (34370, 47664), (34755, 47136), (35352, 46340), (37072, 44190), (39280, 41706), (39720, 41244)]