27697760

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{599}}^1$

素因数の和:648

約数の個数: 72

約数和(自身を含む): 69627600

約数和(自身を除く): 41929840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 340, 544, 578, 599, 680, 1156, 1198, 1360, 1445, 2312, 2396, 2720, 2890, 2995, 4624, 4792, 5780, 5990, 9248, 9584, 10183, 11560, 11980, 19168, 20366, 23120, 23960, 40732, 46240, 47920, 50915, 81464, 95840, 101830, 162928, 173111, 203660, 325856, 346222, 407320, 692444, 814640, 865555, 1384888, 1629280, 1731110, 2769776, 3462220, 5539552, 6924440, 13848880, 27697760]

約数ペア:

[(1, 27697760), (2, 13848880), (4, 6924440), (5, 5539552), (8, 3462220), (10, 2769776), (16, 1731110), (17, 1629280), (20, 1384888), (32, 865555), (34, 814640), (40, 692444), (68, 407320), (80, 346222), (85, 325856), (136, 203660), (160, 173111), (170, 162928), (272, 101830), (289, 95840), (340, 81464), (544, 50915), (578, 47920), (599, 46240), (680, 40732), (1156, 23960), (1198, 23120), (1360, 20366), (1445, 19168), (2312, 11980), (2396, 11560), (2720, 10183), (2890, 9584), (2995, 9248), (4624, 5990), (4792, 5780)]