168454720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{479}}^1$

素因数の和:660

約数の個数: 112

約数和(自身を含む): 462320640

約数和(自身を除く): 293865920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 157, 160, 224, 280, 314, 320, 448, 479, 560, 628, 785, 958, 1099, 1120, 1256, 1570, 1916, 2198, 2240, 2395, 2512, 3140, 3353, 3832, 4396, 4790, 5024, 5495, 6280, 6706, 7664, 8792, 9580, 10048, 10990, 12560, 13412, 15328, 16765, 17584, 19160, 21980, 25120, 26824, 30656, 33530, 35168, 38320, 43960, 50240, 53648, 67060, 70336, 75203, 76640, 87920, 107296, 134120, 150406, 153280, 175840, 214592, 268240, 300812, 351680, 376015, 526421, 536480, 601624, 752030, 1052842, 1072960, 1203248, 1504060, 2105684, 2406496, 2632105, 3008120, 4211368, 4812992, 5264210, 6016240, 8422736, 10528420, 12032480, 16845472, 21056840, 24064960, 33690944, 42113680, 84227360, 168454720]

約数ペア:

[(1, 168454720), (2, 84227360), (4, 42113680), (5, 33690944), (7, 24064960), (8, 21056840), (10, 16845472), (14, 12032480), (16, 10528420), (20, 8422736), (28, 6016240), (32, 5264210), (35, 4812992), (40, 4211368), (56, 3008120), (64, 2632105), (70, 2406496), (80, 2105684), (112, 1504060), (140, 1203248), (157, 1072960), (160, 1052842), (224, 752030), (280, 601624), (314, 536480), (320, 526421), (448, 376015), (479, 351680), (560, 300812), (628, 268240), (785, 214592), (958, 175840), (1099, 153280), (1120, 150406), (1256, 134120), (1570, 107296), (1916, 87920), (2198, 76640), (2240, 75203), (2395, 70336), (2512, 67060), (3140, 53648), (3353, 50240), (3832, 43960), (4396, 38320), (4790, 35168), (5024, 33530), (5495, 30656), (6280, 26824), (6706, 25120), (7664, 21980), (8792, 19160), (9580, 17584), (10048, 16765), (10990, 15328), (12560, 13412)]