28532289280

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{22769}}^1$

素因数の和:22890

約数の個数: 144

約数和(自身を含む): 75397845600

約数和(自身を除く): 46865556320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 89, 110, 128, 160, 176, 178, 220, 256, 320, 352, 356, 440, 445, 640, 704, 712, 880, 890, 979, 1280, 1408, 1424, 1760, 1780, 1958, 2816, 2848, 3520, 3560, 3916, 4895, 5696, 7040, 7120, 7832, 9790, 11392, 14080, 14240, 15664, 19580, 22769, 22784, 28480, 31328, 39160, 45538, 56960, 62656, 78320, 91076, 113845, 113920, 125312, 156640, 182152, 227690, 250459, 250624, 313280, 364304, 455380, 500918, 626560, 728608, 910760, 1001836, 1252295, 1253120, 1457216, 1821520, 2003672, 2026441, 2504590, 2914432, 3643040, 4007344, 4052882, 5009180, 5828864, 7286080, 8014688, 8105764, 10018360, 10132205, 14572160, 16029376, 16211528, 20036720, 20264410, 22290851, 29144320, 32058752, 32423056, 40073440, 40528820, 44581702, 64117504, 64846112, 80146880, 81057640, 89163404, 111454255, 129692224, 160293760, 162115280, 178326808, 222908510, 259384448, 320587520, 324230560, 356653616, 445817020, 518768896, 648461120, 713307232, 891634040, 1296922240, 1426614464, 1783268080, 2593844480, 2853228928, 3566536160, 5706457856, 7133072320, 14266144640, 28532289280]

約数ペア:

[(1, 28532289280), (2, 14266144640), (4, 7133072320), (5, 5706457856), (8, 3566536160), (10, 2853228928), (11, 2593844480), (16, 1783268080), (20, 1426614464), (22, 1296922240), (32, 891634040), (40, 713307232), (44, 648461120), (55, 518768896), (64, 445817020), (80, 356653616), (88, 324230560), (89, 320587520), (110, 259384448), (128, 222908510), (160, 178326808), (176, 162115280), (178, 160293760), (220, 129692224), (256, 111454255), (320, 89163404), (352, 81057640), (356, 80146880), (440, 64846112), (445, 64117504), (640, 44581702), (704, 40528820), (712, 40073440), (880, 32423056), (890, 32058752), (979, 29144320), (1280, 22290851), (1408, 20264410), (1424, 20036720), (1760, 16211528), (1780, 16029376), (1958, 14572160), (2816, 10132205), (2848, 10018360), (3520, 8105764), (3560, 8014688), (3916, 7286080), (4895, 5828864), (5696, 5009180), (7040, 4052882), (7120, 4007344), (7832, 3643040), (9790, 2914432), (11392, 2504590), (14080, 2026441), (14240, 2003672), (15664, 1821520), (19580, 1457216), (22769, 1253120), (22784, 1252295), (28480, 1001836), (31328, 910760), (39160, 728608), (45538, 626560), (56960, 500918), (62656, 455380), (78320, 364304), (91076, 313280), (113845, 250624), (113920, 250459), (125312, 227690), (156640, 182152)]