66807040

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:148

約数の個数: 144

約数和(自身を含む): 175129920

約数和(自身を除く): 108322880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 64, 67, 76, 80, 82, 95, 128, 134, 152, 160, 164, 190, 205, 256, 268, 304, 320, 328, 335, 380, 410, 536, 608, 640, 656, 670, 760, 779, 820, 1072, 1216, 1273, 1280, 1312, 1340, 1520, 1558, 1640, 2144, 2432, 2546, 2624, 2680, 2747, 3040, 3116, 3280, 3895, 4288, 4864, 5092, 5248, 5360, 5494, 6080, 6232, 6365, 6560, 7790, 8576, 10184, 10496, 10720, 10988, 12160, 12464, 12730, 13120, 13735, 15580, 17152, 20368, 21440, 21976, 24320, 24928, 25460, 26240, 27470, 31160, 40736, 42880, 43952, 49856, 50920, 52193, 52480, 54940, 62320, 81472, 85760, 87904, 99712, 101840, 104386, 109880, 124640, 162944, 175808, 199424, 203680, 208772, 219760, 249280, 260965, 325888, 351616, 407360, 417544, 439520, 498560, 521930, 703232, 814720, 835088, 879040, 997120, 1043860, 1629440, 1670176, 1758080, 2087720, 3340352, 3516160, 4175440, 6680704, 8350880, 13361408, 16701760, 33403520, 66807040]

約数ペア:

[(1, 66807040), (2, 33403520), (4, 16701760), (5, 13361408), (8, 8350880), (10, 6680704), (16, 4175440), (19, 3516160), (20, 3340352), (32, 2087720), (38, 1758080), (40, 1670176), (41, 1629440), (64, 1043860), (67, 997120), (76, 879040), (80, 835088), (82, 814720), (95, 703232), (128, 521930), (134, 498560), (152, 439520), (160, 417544), (164, 407360), (190, 351616), (205, 325888), (256, 260965), (268, 249280), (304, 219760), (320, 208772), (328, 203680), (335, 199424), (380, 175808), (410, 162944), (536, 124640), (608, 109880), (640, 104386), (656, 101840), (670, 99712), (760, 87904), (779, 85760), (820, 81472), (1072, 62320), (1216, 54940), (1273, 52480), (1280, 52193), (1312, 50920), (1340, 49856), (1520, 43952), (1558, 42880), (1640, 40736), (2144, 31160), (2432, 27470), (2546, 26240), (2624, 25460), (2680, 24928), (2747, 24320), (3040, 21976), (3116, 21440), (3280, 20368), (3895, 17152), (4288, 15580), (4864, 13735), (5092, 13120), (5248, 12730), (5360, 12464), (5494, 12160), (6080, 10988), (6232, 10720), (6365, 10496), (6560, 10184), (7790, 8576)]