30741760

素因数分解:

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

素因数の和:148

約数の個数: 144

約数和(自身を含む): 87123456

約数和(自身を除く): 56381696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 64, 70, 73, 80, 94, 112, 128, 140, 146, 160, 188, 224, 235, 256, 280, 292, 320, 329, 365, 376, 448, 470, 511, 560, 584, 640, 658, 730, 752, 896, 940, 1022, 1120, 1168, 1280, 1316, 1460, 1504, 1645, 1792, 1880, 2044, 2240, 2336, 2555, 2632, 2920, 3008, 3290, 3431, 3760, 4088, 4480, 4672, 5110, 5264, 5840, 6016, 6580, 6862, 7520, 8176, 8960, 9344, 10220, 10528, 11680, 12032, 13160, 13724, 15040, 16352, 17155, 18688, 20440, 21056, 23360, 24017, 26320, 27448, 30080, 32704, 34310, 40880, 42112, 46720, 48034, 52640, 54896, 60160, 65408, 68620, 81760, 84224, 93440, 96068, 105280, 109792, 120085, 130816, 137240, 163520, 192136, 210560, 219584, 240170, 274480, 327040, 384272, 421120, 439168, 480340, 548960, 654080, 768544, 878336, 960680, 1097920, 1537088, 1921360, 2195840, 3074176, 3842720, 4391680, 6148352, 7685440, 15370880, 30741760]

約数ペア:

[(1, 30741760), (2, 15370880), (4, 7685440), (5, 6148352), (7, 4391680), (8, 3842720), (10, 3074176), (14, 2195840), (16, 1921360), (20, 1537088), (28, 1097920), (32, 960680), (35, 878336), (40, 768544), (47, 654080), (56, 548960), (64, 480340), (70, 439168), (73, 421120), (80, 384272), (94, 327040), (112, 274480), (128, 240170), (140, 219584), (146, 210560), (160, 192136), (188, 163520), (224, 137240), (235, 130816), (256, 120085), (280, 109792), (292, 105280), (320, 96068), (329, 93440), (365, 84224), (376, 81760), (448, 68620), (470, 65408), (511, 60160), (560, 54896), (584, 52640), (640, 48034), (658, 46720), (730, 42112), (752, 40880), (896, 34310), (940, 32704), (1022, 30080), (1120, 27448), (1168, 26320), (1280, 24017), (1316, 23360), (1460, 21056), (1504, 20440), (1645, 18688), (1792, 17155), (1880, 16352), (2044, 15040), (2240, 13724), (2336, 13160), (2555, 12032), (2632, 11680), (2920, 10528), (3008, 10220), (3290, 9344), (3431, 8960), (3760, 8176), (4088, 7520), (4480, 6862), (4672, 6580), (5110, 6016), (5264, 5840)]