71329280

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1$

素因数の和:200

約数の個数: 160

約数和(自身を含む): 198871200

約数和(自身を除く): 127541920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 128, 136, 149, 160, 170, 176, 187, 220, 256, 272, 298, 320, 340, 352, 374, 440, 512, 544, 596, 640, 680, 704, 745, 748, 880, 935, 1088, 1192, 1280, 1360, 1408, 1490, 1496, 1639, 1760, 1870, 2176, 2384, 2533, 2560, 2720, 2816, 2980, 2992, 3278, 3520, 3740, 4352, 4768, 5066, 5440, 5632, 5960, 5984, 6556, 7040, 7480, 8195, 8704, 9536, 10132, 10880, 11920, 11968, 12665, 13112, 14080, 14960, 16390, 19072, 20264, 21760, 23840, 23936, 25330, 26224, 27863, 28160, 29920, 32780, 38144, 40528, 43520, 47680, 47872, 50660, 52448, 55726, 59840, 65560, 76288, 81056, 95360, 95744, 101320, 104896, 111452, 119680, 131120, 139315, 162112, 190720, 202640, 209792, 222904, 239360, 262240, 278630, 324224, 381440, 405280, 419584, 445808, 478720, 524480, 557260, 648448, 810560, 839168, 891616, 1048960, 1114520, 1296896, 1621120, 1783232, 2097920, 2229040, 3242240, 3566464, 4195840, 4458080, 6484480, 7132928, 8916160, 14265856, 17832320, 35664640, 71329280]

約数ペア:

[(1, 71329280), (2, 35664640), (4, 17832320), (5, 14265856), (8, 8916160), (10, 7132928), (11, 6484480), (16, 4458080), (17, 4195840), (20, 3566464), (22, 3242240), (32, 2229040), (34, 2097920), (40, 1783232), (44, 1621120), (55, 1296896), (64, 1114520), (68, 1048960), (80, 891616), (85, 839168), (88, 810560), (110, 648448), (128, 557260), (136, 524480), (149, 478720), (160, 445808), (170, 419584), (176, 405280), (187, 381440), (220, 324224), (256, 278630), (272, 262240), (298, 239360), (320, 222904), (340, 209792), (352, 202640), (374, 190720), (440, 162112), (512, 139315), (544, 131120), (596, 119680), (640, 111452), (680, 104896), (704, 101320), (745, 95744), (748, 95360), (880, 81056), (935, 76288), (1088, 65560), (1192, 59840), (1280, 55726), (1360, 52448), (1408, 50660), (1490, 47872), (1496, 47680), (1639, 43520), (1760, 40528), (1870, 38144), (2176, 32780), (2384, 29920), (2533, 28160), (2560, 27863), (2720, 26224), (2816, 25330), (2980, 23936), (2992, 23840), (3278, 21760), (3520, 20264), (3740, 19072), (4352, 16390), (4768, 14960), (5066, 14080), (5440, 13112), (5632, 12665), (5960, 11968), (5984, 11920), (6556, 10880), (7040, 10132), (7480, 9536), (8195, 8704)]