221582080

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^2\times {\mathrm{599}}^1$

素因数の和:654

約数の個数: 108

約数和(自身を含む): 564757200

約数和(自身を除く): 343175120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 289, 320, 340, 544, 578, 599, 640, 680, 1088, 1156, 1198, 1280, 1360, 1445, 2176, 2312, 2396, 2720, 2890, 2995, 4352, 4624, 4792, 5440, 5780, 5990, 9248, 9584, 10183, 10880, 11560, 11980, 18496, 19168, 20366, 21760, 23120, 23960, 36992, 38336, 40732, 46240, 47920, 50915, 73984, 76672, 81464, 92480, 95840, 101830, 153344, 162928, 173111, 184960, 191680, 203660, 325856, 346222, 369920, 383360, 407320, 651712, 692444, 766720, 814640, 865555, 1303424, 1384888, 1629280, 1731110, 2606848, 2769776, 3258560, 3462220, 5539552, 6517120, 6924440, 11079104, 13034240, 13848880, 22158208, 27697760, 44316416, 55395520, 110791040, 221582080]

約数ペア:

[(1, 221582080), (2, 110791040), (4, 55395520), (5, 44316416), (8, 27697760), (10, 22158208), (16, 13848880), (17, 13034240), (20, 11079104), (32, 6924440), (34, 6517120), (40, 5539552), (64, 3462220), (68, 3258560), (80, 2769776), (85, 2606848), (128, 1731110), (136, 1629280), (160, 1384888), (170, 1303424), (256, 865555), (272, 814640), (289, 766720), (320, 692444), (340, 651712), (544, 407320), (578, 383360), (599, 369920), (640, 346222), (680, 325856), (1088, 203660), (1156, 191680), (1198, 184960), (1280, 173111), (1360, 162928), (1445, 153344), (2176, 101830), (2312, 95840), (2396, 92480), (2720, 81464), (2890, 76672), (2995, 73984), (4352, 50915), (4624, 47920), (4792, 46240), (5440, 40732), (5780, 38336), (5990, 36992), (9248, 23960), (9584, 23120), (10183, 21760), (10880, 20366), (11560, 19168), (11980, 18496)]