215192320

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:155

約数の個数: 216

約数和(自身を含む): 620754624

約数和(自身を除く): 405562304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 49, 56, 64, 70, 73, 80, 94, 98, 112, 128, 140, 146, 160, 188, 196, 224, 235, 245, 256, 280, 292, 320, 329, 365, 376, 392, 448, 470, 490, 511, 560, 584, 640, 658, 730, 752, 784, 896, 940, 980, 1022, 1120, 1168, 1280, 1316, 1460, 1504, 1568, 1645, 1792, 1880, 1960, 2044, 2240, 2303, 2336, 2555, 2632, 2920, 3008, 3136, 3290, 3431, 3577, 3760, 3920, 4088, 4480, 4606, 4672, 5110, 5264, 5840, 6016, 6272, 6580, 6862, 7154, 7520, 7840, 8176, 8960, 9212, 9344, 10220, 10528, 11515, 11680, 12032, 12544, 13160, 13724, 14308, 15040, 15680, 16352, 17155, 17885, 18424, 18688, 20440, 21056, 23030, 23360, 24017, 26320, 27448, 28616, 30080, 31360, 32704, 34310, 35770, 36848, 40880, 42112, 46060, 46720, 48034, 52640, 54896, 57232, 60160, 62720, 65408, 68620, 71540, 73696, 81760, 84224, 92120, 93440, 96068, 105280, 109792, 114464, 120085, 130816, 137240, 143080, 147392, 163520, 168119, 184240, 192136, 210560, 219584, 228928, 240170, 274480, 286160, 294784, 327040, 336238, 368480, 384272, 421120, 439168, 457856, 480340, 548960, 572320, 589568, 654080, 672476, 736960, 768544, 840595, 878336, 915712, 960680, 1097920, 1144640, 1344952, 1473920, 1537088, 1681190, 1921360, 2195840, 2289280, 2689904, 2947840, 3074176, 3362380, 3842720, 4391680, 4578560, 5379808, 6148352, 6724760, 7685440, 10759616, 13449520, 15370880, 21519232, 26899040, 30741760, 43038464, 53798080, 107596160, 215192320]

約数ペア:

[(1, 215192320), (2, 107596160), (4, 53798080), (5, 43038464), (7, 30741760), (8, 26899040), (10, 21519232), (14, 15370880), (16, 13449520), (20, 10759616), (28, 7685440), (32, 6724760), (35, 6148352), (40, 5379808), (47, 4578560), (49, 4391680), (56, 3842720), (64, 3362380), (70, 3074176), (73, 2947840), (80, 2689904), (94, 2289280), (98, 2195840), (112, 1921360), (128, 1681190), (140, 1537088), (146, 1473920), (160, 1344952), (188, 1144640), (196, 1097920), (224, 960680), (235, 915712), (245, 878336), (256, 840595), (280, 768544), (292, 736960), (320, 672476), (329, 654080), (365, 589568), (376, 572320), (392, 548960), (448, 480340), (470, 457856), (490, 439168), (511, 421120), (560, 384272), (584, 368480), (640, 336238), (658, 327040), (730, 294784), (752, 286160), (784, 274480), (896, 240170), (940, 228928), (980, 219584), (1022, 210560), (1120, 192136), (1168, 184240), (1280, 168119), (1316, 163520), (1460, 147392), (1504, 143080), (1568, 137240), (1645, 130816), (1792, 120085), (1880, 114464), (1960, 109792), (2044, 105280), (2240, 96068), (2303, 93440), (2336, 92120), (2555, 84224), (2632, 81760), (2920, 73696), (3008, 71540), (3136, 68620), (3290, 65408), (3431, 62720), (3577, 60160), (3760, 57232), (3920, 54896), (4088, 52640), (4480, 48034), (4606, 46720), (4672, 46060), (5110, 42112), (5264, 40880), (5840, 36848), (6016, 35770), (6272, 34310), (6580, 32704), (6862, 31360), (7154, 30080), (7520, 28616), (7840, 27448), (8176, 26320), (8960, 24017), (9212, 23360), (9344, 23030), (10220, 21056), (10528, 20440), (11515, 18688), (11680, 18424), (12032, 17885), (12544, 17155), (13160, 16352), (13724, 15680), (14308, 15040)]