204891680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2999}}^1$

素因数の和:3082

約数の個数: 96

約数和(自身を含む): 562464000

約数和(自身を除く): 357572320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 70, 80, 112, 122, 140, 160, 224, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1120, 1220, 1708, 1952, 2135, 2440, 2999, 3416, 4270, 4880, 5998, 6832, 8540, 9760, 11996, 13664, 14995, 17080, 20993, 23992, 29990, 34160, 41986, 47984, 59980, 68320, 83972, 95968, 104965, 119960, 167944, 182939, 209930, 239920, 335888, 365878, 419860, 479840, 671776, 731756, 839720, 914695, 1280573, 1463512, 1679440, 1829390, 2561146, 2927024, 3358880, 3658780, 5122292, 5854048, 6402865, 7317560, 10244584, 12805730, 14635120, 20489168, 25611460, 29270240, 40978336, 51222920, 102445840, 204891680]

約数ペア:

[(1, 204891680), (2, 102445840), (4, 51222920), (5, 40978336), (7, 29270240), (8, 25611460), (10, 20489168), (14, 14635120), (16, 12805730), (20, 10244584), (28, 7317560), (32, 6402865), (35, 5854048), (40, 5122292), (56, 3658780), (61, 3358880), (70, 2927024), (80, 2561146), (112, 1829390), (122, 1679440), (140, 1463512), (160, 1280573), (224, 914695), (244, 839720), (280, 731756), (305, 671776), (427, 479840), (488, 419860), (560, 365878), (610, 335888), (854, 239920), (976, 209930), (1120, 182939), (1220, 167944), (1708, 119960), (1952, 104965), (2135, 95968), (2440, 83972), (2999, 68320), (3416, 59980), (4270, 47984), (4880, 41986), (5998, 34160), (6832, 29990), (8540, 23992), (9760, 20993), (11996, 17080), (13664, 14995)]