90717440

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1$

素因数の和:428

約数の個数: 144

約数和(自身を含む): 251657280

約数和(自身を除く): 160939840

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, 160, 170, 176, 187, 220, 256, 272, 320, 340, 352, 374, 379, 440, 544, 640, 680, 704, 748, 758, 880, 935, 1088, 1280, 1360, 1408, 1496, 1516, 1760, 1870, 1895, 2176, 2720, 2816, 2992, 3032, 3520, 3740, 3790, 4169, 4352, 5440, 5984, 6064, 6443, 7040, 7480, 7580, 8338, 10880, 11968, 12128, 12886, 14080, 14960, 15160, 16676, 20845, 21760, 23936, 24256, 25772, 29920, 30320, 32215, 33352, 41690, 47872, 48512, 51544, 59840, 60640, 64430, 66704, 70873, 83380, 97024, 103088, 119680, 121280, 128860, 133408, 141746, 166760, 206176, 239360, 242560, 257720, 266816, 283492, 333520, 354365, 412352, 485120, 515440, 533632, 566984, 667040, 708730, 824704, 1030880, 1067264, 1133968, 1334080, 1417460, 1649408, 2061760, 2267936, 2668160, 2834920, 4123520, 4535872, 5336320, 5669840, 8247040, 9071744, 11339680, 18143488, 22679360, 45358720, 90717440]

約数ペア:

[(1, 90717440), (2, 45358720), (4, 22679360), (5, 18143488), (8, 11339680), (10, 9071744), (11, 8247040), (16, 5669840), (17, 5336320), (20, 4535872), (22, 4123520), (32, 2834920), (34, 2668160), (40, 2267936), (44, 2061760), (55, 1649408), (64, 1417460), (68, 1334080), (80, 1133968), (85, 1067264), (88, 1030880), (110, 824704), (128, 708730), (136, 667040), (160, 566984), (170, 533632), (176, 515440), (187, 485120), (220, 412352), (256, 354365), (272, 333520), (320, 283492), (340, 266816), (352, 257720), (374, 242560), (379, 239360), (440, 206176), (544, 166760), (640, 141746), (680, 133408), (704, 128860), (748, 121280), (758, 119680), (880, 103088), (935, 97024), (1088, 83380), (1280, 70873), (1360, 66704), (1408, 64430), (1496, 60640), (1516, 59840), (1760, 51544), (1870, 48512), (1895, 47872), (2176, 41690), (2720, 33352), (2816, 32215), (2992, 30320), (3032, 29920), (3520, 25772), (3740, 24256), (3790, 23936), (4169, 21760), (4352, 20845), (5440, 16676), (5984, 15160), (6064, 14960), (6443, 14080), (7040, 12886), (7480, 12128), (7580, 11968), (8338, 10880)]