84711680

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^2\times {\mathrm{229}}^1$

素因数の和:284

約数の個数: 108

約数和(自身を含む): 216490260

約数和(自身を除く): 131778580

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 229, 256, 272, 289, 320, 340, 458, 544, 578, 640, 680, 916, 1088, 1145, 1156, 1280, 1360, 1445, 1832, 2176, 2290, 2312, 2720, 2890, 3664, 3893, 4352, 4580, 4624, 5440, 5780, 7328, 7786, 9160, 9248, 10880, 11560, 14656, 15572, 18320, 18496, 19465, 21760, 23120, 29312, 31144, 36640, 36992, 38930, 46240, 58624, 62288, 66181, 73280, 73984, 77860, 92480, 124576, 132362, 146560, 155720, 184960, 249152, 264724, 293120, 311440, 330905, 369920, 498304, 529448, 622880, 661810, 996608, 1058896, 1245760, 1323620, 2117792, 2491520, 2647240, 4235584, 4983040, 5294480, 8471168, 10588960, 16942336, 21177920, 42355840, 84711680]

約数ペア:

[(1, 84711680), (2, 42355840), (4, 21177920), (5, 16942336), (8, 10588960), (10, 8471168), (16, 5294480), (17, 4983040), (20, 4235584), (32, 2647240), (34, 2491520), (40, 2117792), (64, 1323620), (68, 1245760), (80, 1058896), (85, 996608), (128, 661810), (136, 622880), (160, 529448), (170, 498304), (229, 369920), (256, 330905), (272, 311440), (289, 293120), (320, 264724), (340, 249152), (458, 184960), (544, 155720), (578, 146560), (640, 132362), (680, 124576), (916, 92480), (1088, 77860), (1145, 73984), (1156, 73280), (1280, 66181), (1360, 62288), (1445, 58624), (1832, 46240), (2176, 38930), (2290, 36992), (2312, 36640), (2720, 31144), (2890, 29312), (3664, 23120), (3893, 21760), (4352, 19465), (4580, 18496), (4624, 18320), (5440, 15572), (5780, 14656), (7328, 11560), (7786, 10880), (9160, 9248)]