217810880

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{479}}^1$

素因数の和:539

約数の個数: 168

約数和(自身を含む): 625449600

約数和(自身を除く): 407638720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 64, 70, 80, 98, 112, 116, 140, 145, 160, 196, 203, 224, 232, 245, 280, 290, 320, 392, 406, 448, 464, 479, 490, 560, 580, 784, 812, 928, 958, 980, 1015, 1120, 1160, 1421, 1568, 1624, 1856, 1916, 1960, 2030, 2240, 2320, 2395, 2842, 3136, 3248, 3353, 3832, 3920, 4060, 4640, 4790, 5684, 6496, 6706, 7105, 7664, 7840, 8120, 9280, 9580, 11368, 12992, 13412, 13891, 14210, 15328, 15680, 16240, 16765, 19160, 22736, 23471, 26824, 27782, 28420, 30656, 32480, 33530, 38320, 45472, 46942, 53648, 55564, 56840, 64960, 67060, 69455, 76640, 90944, 93884, 97237, 107296, 111128, 113680, 117355, 134120, 138910, 153280, 187768, 194474, 214592, 222256, 227360, 234710, 268240, 277820, 375536, 388948, 444512, 454720, 469420, 486185, 536480, 555640, 680659, 751072, 777896, 889024, 938840, 972370, 1072960, 1111280, 1361318, 1502144, 1555792, 1877680, 1944740, 2222560, 2722636, 3111584, 3403295, 3755360, 3889480, 4445120, 5445272, 6223168, 6806590, 7510720, 7778960, 10890544, 13613180, 15557920, 21781088, 27226360, 31115840, 43562176, 54452720, 108905440, 217810880]

約数ペア:

[(1, 217810880), (2, 108905440), (4, 54452720), (5, 43562176), (7, 31115840), (8, 27226360), (10, 21781088), (14, 15557920), (16, 13613180), (20, 10890544), (28, 7778960), (29, 7510720), (32, 6806590), (35, 6223168), (40, 5445272), (49, 4445120), (56, 3889480), (58, 3755360), (64, 3403295), (70, 3111584), (80, 2722636), (98, 2222560), (112, 1944740), (116, 1877680), (140, 1555792), (145, 1502144), (160, 1361318), (196, 1111280), (203, 1072960), (224, 972370), (232, 938840), (245, 889024), (280, 777896), (290, 751072), (320, 680659), (392, 555640), (406, 536480), (448, 486185), (464, 469420), (479, 454720), (490, 444512), (560, 388948), (580, 375536), (784, 277820), (812, 268240), (928, 234710), (958, 227360), (980, 222256), (1015, 214592), (1120, 194474), (1160, 187768), (1421, 153280), (1568, 138910), (1624, 134120), (1856, 117355), (1916, 113680), (1960, 111128), (2030, 107296), (2240, 97237), (2320, 93884), (2395, 90944), (2842, 76640), (3136, 69455), (3248, 67060), (3353, 64960), (3832, 56840), (3920, 55564), (4060, 53648), (4640, 46942), (4790, 45472), (5684, 38320), (6496, 33530), (6706, 32480), (7105, 30656), (7664, 28420), (7840, 27782), (8120, 26824), (9280, 23471), (9580, 22736), (11368, 19160), (12992, 16765), (13412, 16240), (13891, 15680), (14210, 15328)]