81289920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{293}}^1$

素因数の和:347

約数の個数: 168

約数和(自身を含む): 275106384

約数和(自身を除く): 193816464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 136, 160, 170, 192, 204, 240, 255, 272, 289, 293, 320, 340, 408, 480, 510, 544, 578, 586, 680, 816, 867, 879, 960, 1020, 1088, 1156, 1172, 1360, 1445, 1465, 1632, 1734, 1758, 2040, 2312, 2344, 2720, 2890, 2930, 3264, 3468, 3516, 4080, 4335, 4395, 4624, 4688, 4981, 5440, 5780, 5860, 6936, 7032, 8160, 8670, 8790, 9248, 9376, 9962, 11560, 11720, 13872, 14064, 14943, 16320, 17340, 17580, 18496, 18752, 19924, 23120, 23440, 24905, 27744, 28128, 29886, 34680, 35160, 39848, 46240, 46880, 49810, 55488, 56256, 59772, 69360, 70320, 74715, 79696, 84677, 92480, 93760, 99620, 119544, 138720, 140640, 149430, 159392, 169354, 199240, 239088, 254031, 277440, 281280, 298860, 318784, 338708, 398480, 423385, 478176, 508062, 597720, 677416, 796960, 846770, 956352, 1016124, 1195440, 1270155, 1354832, 1593920, 1693540, 2032248, 2390880, 2540310, 2709664, 3387080, 4064496, 4781760, 5080620, 5419328, 6774160, 8128992, 10161240, 13548320, 16257984, 20322480, 27096640, 40644960, 81289920]

約数ペア:

[(1, 81289920), (2, 40644960), (3, 27096640), (4, 20322480), (5, 16257984), (6, 13548320), (8, 10161240), (10, 8128992), (12, 6774160), (15, 5419328), (16, 5080620), (17, 4781760), (20, 4064496), (24, 3387080), (30, 2709664), (32, 2540310), (34, 2390880), (40, 2032248), (48, 1693540), (51, 1593920), (60, 1354832), (64, 1270155), (68, 1195440), (80, 1016124), (85, 956352), (96, 846770), (102, 796960), (120, 677416), (136, 597720), (160, 508062), (170, 478176), (192, 423385), (204, 398480), (240, 338708), (255, 318784), (272, 298860), (289, 281280), (293, 277440), (320, 254031), (340, 239088), (408, 199240), (480, 169354), (510, 159392), (544, 149430), (578, 140640), (586, 138720), (680, 119544), (816, 99620), (867, 93760), (879, 92480), (960, 84677), (1020, 79696), (1088, 74715), (1156, 70320), (1172, 69360), (1360, 59772), (1445, 56256), (1465, 55488), (1632, 49810), (1734, 46880), (1758, 46240), (2040, 39848), (2312, 35160), (2344, 34680), (2720, 29886), (2890, 28128), (2930, 27744), (3264, 24905), (3468, 23440), (3516, 23120), (4080, 19924), (4335, 18752), (4395, 18496), (4624, 17580), (4688, 17340), (4981, 16320), (5440, 14943), (5780, 14064), (5860, 13872), (6936, 11720), (7032, 11560), (8160, 9962), (8670, 9376), (8790, 9248)]