81491200

素因数分解:

$2^8\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:157

約数の個数: 216

約数和(自身を含む): 246359232

約数和(自身を除く): 164868032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 25, 28, 32, 34, 35, 40, 50, 56, 64, 68, 70, 80, 85, 100, 107, 112, 119, 128, 136, 140, 160, 170, 175, 200, 214, 224, 238, 256, 272, 280, 320, 340, 350, 400, 425, 428, 448, 476, 535, 544, 560, 595, 640, 680, 700, 749, 800, 850, 856, 896, 952, 1070, 1088, 1120, 1190, 1280, 1360, 1400, 1498, 1600, 1700, 1712, 1792, 1819, 1904, 2140, 2176, 2240, 2380, 2675, 2720, 2800, 2975, 2996, 3200, 3400, 3424, 3638, 3745, 3808, 4280, 4352, 4480, 4760, 5350, 5440, 5600, 5950, 5992, 6400, 6800, 6848, 7276, 7490, 7616, 8560, 8960, 9095, 9520, 10700, 10880, 11200, 11900, 11984, 12733, 13600, 13696, 14552, 14980, 15232, 17120, 18190, 18725, 19040, 21400, 21760, 22400, 23800, 23968, 25466, 27200, 27392, 29104, 29960, 30464, 34240, 36380, 37450, 38080, 42800, 44800, 45475, 47600, 47936, 50932, 54400, 58208, 59920, 63665, 68480, 72760, 74900, 76160, 85600, 90950, 95200, 95872, 101864, 108800, 116416, 119840, 127330, 136960, 145520, 149800, 152320, 171200, 181900, 190400, 191744, 203728, 232832, 239680, 254660, 291040, 299600, 318325, 342400, 363800, 380800, 407456, 465664, 479360, 509320, 582080, 599200, 636650, 684800, 727600, 761600, 814912, 958720, 1018640, 1164160, 1198400, 1273300, 1455200, 1629824, 2037280, 2328320, 2396800, 2546600, 2910400, 3259648, 4074560, 4793600, 5093200, 5820800, 8149120, 10186400, 11641600, 16298240, 20372800, 40745600, 81491200]

約数ペア:

[(1, 81491200), (2, 40745600), (4, 20372800), (5, 16298240), (7, 11641600), (8, 10186400), (10, 8149120), (14, 5820800), (16, 5093200), (17, 4793600), (20, 4074560), (25, 3259648), (28, 2910400), (32, 2546600), (34, 2396800), (35, 2328320), (40, 2037280), (50, 1629824), (56, 1455200), (64, 1273300), (68, 1198400), (70, 1164160), (80, 1018640), (85, 958720), (100, 814912), (107, 761600), (112, 727600), (119, 684800), (128, 636650), (136, 599200), (140, 582080), (160, 509320), (170, 479360), (175, 465664), (200, 407456), (214, 380800), (224, 363800), (238, 342400), (256, 318325), (272, 299600), (280, 291040), (320, 254660), (340, 239680), (350, 232832), (400, 203728), (425, 191744), (428, 190400), (448, 181900), (476, 171200), (535, 152320), (544, 149800), (560, 145520), (595, 136960), (640, 127330), (680, 119840), (700, 116416), (749, 108800), (800, 101864), (850, 95872), (856, 95200), (896, 90950), (952, 85600), (1070, 76160), (1088, 74900), (1120, 72760), (1190, 68480), (1280, 63665), (1360, 59920), (1400, 58208), (1498, 54400), (1600, 50932), (1700, 47936), (1712, 47600), (1792, 45475), (1819, 44800), (1904, 42800), (2140, 38080), (2176, 37450), (2240, 36380), (2380, 34240), (2675, 30464), (2720, 29960), (2800, 29104), (2975, 27392), (2996, 27200), (3200, 25466), (3400, 23968), (3424, 23800), (3638, 22400), (3745, 21760), (3808, 21400), (4280, 19040), (4352, 18725), (4480, 18190), (4760, 17120), (5350, 15232), (5440, 14980), (5600, 14552), (5950, 13696), (5992, 13600), (6400, 12733), (6800, 11984), (6848, 11900), (7276, 11200), (7490, 10880), (7616, 10700), (8560, 9520), (8960, 9095)]