278700720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{823}}^1$

素因数の和:939

約数の個数: 160

約数和(自身を含む): 926940672

約数和(自身を除く): 648239952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 83, 85, 102, 120, 136, 166, 170, 204, 240, 249, 255, 272, 332, 340, 408, 415, 498, 510, 664, 680, 816, 823, 830, 996, 1020, 1245, 1328, 1360, 1411, 1646, 1660, 1992, 2040, 2469, 2490, 2822, 3292, 3320, 3984, 4080, 4115, 4233, 4938, 4980, 5644, 6584, 6640, 7055, 8230, 8466, 9876, 9960, 11288, 12345, 13168, 13991, 14110, 16460, 16932, 19752, 19920, 21165, 22576, 24690, 27982, 28220, 32920, 33864, 39504, 41973, 42330, 49380, 55964, 56440, 65840, 67728, 68309, 69955, 83946, 84660, 98760, 111928, 112880, 136618, 139910, 167892, 169320, 197520, 204927, 209865, 223856, 273236, 279820, 335784, 338640, 341545, 409854, 419730, 546472, 559640, 671568, 683090, 819708, 839460, 1024635, 1092944, 1119280, 1161253, 1366180, 1639416, 1678920, 2049270, 2322506, 2732360, 3278832, 3357840, 3483759, 4098540, 4645012, 5464720, 5806265, 6967518, 8197080, 9290024, 11612530, 13935036, 16394160, 17418795, 18580048, 23225060, 27870072, 34837590, 46450120, 55740144, 69675180, 92900240, 139350360, 278700720]

約数ペア:

[(1, 278700720), (2, 139350360), (3, 92900240), (4, 69675180), (5, 55740144), (6, 46450120), (8, 34837590), (10, 27870072), (12, 23225060), (15, 18580048), (16, 17418795), (17, 16394160), (20, 13935036), (24, 11612530), (30, 9290024), (34, 8197080), (40, 6967518), (48, 5806265), (51, 5464720), (60, 4645012), (68, 4098540), (80, 3483759), (83, 3357840), (85, 3278832), (102, 2732360), (120, 2322506), (136, 2049270), (166, 1678920), (170, 1639416), (204, 1366180), (240, 1161253), (249, 1119280), (255, 1092944), (272, 1024635), (332, 839460), (340, 819708), (408, 683090), (415, 671568), (498, 559640), (510, 546472), (664, 419730), (680, 409854), (816, 341545), (823, 338640), (830, 335784), (996, 279820), (1020, 273236), (1245, 223856), (1328, 209865), (1360, 204927), (1411, 197520), (1646, 169320), (1660, 167892), (1992, 139910), (2040, 136618), (2469, 112880), (2490, 111928), (2822, 98760), (3292, 84660), (3320, 83946), (3984, 69955), (4080, 68309), (4115, 67728), (4233, 65840), (4938, 56440), (4980, 55964), (5644, 49380), (6584, 42330), (6640, 41973), (7055, 39504), (8230, 33864), (8466, 32920), (9876, 28220), (9960, 27982), (11288, 24690), (12345, 22576), (13168, 21165), (13991, 19920), (14110, 19752), (16460, 16932)]