40778880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:406

約数の個数: 128

約数和(自身を含む): 132338880

約数和(自身を除く): 91560000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 67, 80, 96, 120, 128, 134, 160, 192, 201, 240, 268, 317, 320, 335, 384, 402, 480, 536, 634, 640, 670, 804, 951, 960, 1005, 1072, 1268, 1340, 1585, 1608, 1902, 1920, 2010, 2144, 2536, 2680, 3170, 3216, 3804, 4020, 4288, 4755, 5072, 5360, 6340, 6432, 7608, 8040, 8576, 9510, 10144, 10720, 12680, 12864, 15216, 16080, 19020, 20288, 21239, 21440, 25360, 25728, 30432, 32160, 38040, 40576, 42478, 42880, 50720, 60864, 63717, 64320, 76080, 84956, 101440, 106195, 121728, 127434, 128640, 152160, 169912, 202880, 212390, 254868, 304320, 318585, 339824, 424780, 509736, 608640, 637170, 679648, 849560, 1019472, 1274340, 1359296, 1699120, 2038944, 2548680, 2718592, 3398240, 4077888, 5097360, 6796480, 8155776, 10194720, 13592960, 20389440, 40778880]

約数ペア:

[(1, 40778880), (2, 20389440), (3, 13592960), (4, 10194720), (5, 8155776), (6, 6796480), (8, 5097360), (10, 4077888), (12, 3398240), (15, 2718592), (16, 2548680), (20, 2038944), (24, 1699120), (30, 1359296), (32, 1274340), (40, 1019472), (48, 849560), (60, 679648), (64, 637170), (67, 608640), (80, 509736), (96, 424780), (120, 339824), (128, 318585), (134, 304320), (160, 254868), (192, 212390), (201, 202880), (240, 169912), (268, 152160), (317, 128640), (320, 127434), (335, 121728), (384, 106195), (402, 101440), (480, 84956), (536, 76080), (634, 64320), (640, 63717), (670, 60864), (804, 50720), (951, 42880), (960, 42478), (1005, 40576), (1072, 38040), (1268, 32160), (1340, 30432), (1585, 25728), (1608, 25360), (1902, 21440), (1920, 21239), (2010, 20288), (2144, 19020), (2536, 16080), (2680, 15216), (3170, 12864), (3216, 12680), (3804, 10720), (4020, 10144), (4288, 9510), (4755, 8576), (5072, 8040), (5360, 7608), (6340, 6432)]