321153280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:592

約数の個数: 144

約数和(自身を含む): 893015424

約数和(自身を除く): 571862144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 128, 140, 146, 160, 224, 256, 280, 292, 320, 365, 448, 491, 511, 560, 584, 640, 730, 896, 982, 1022, 1120, 1168, 1280, 1460, 1792, 1964, 2044, 2240, 2336, 2455, 2555, 2920, 3437, 3928, 4088, 4480, 4672, 4910, 5110, 5840, 6874, 7856, 8176, 8960, 9344, 9820, 10220, 11680, 13748, 15712, 16352, 17185, 18688, 19640, 20440, 23360, 27496, 31424, 32704, 34370, 35843, 39280, 40880, 46720, 54992, 62848, 65408, 68740, 71686, 78560, 81760, 93440, 109984, 125696, 130816, 137480, 143372, 157120, 163520, 179215, 219968, 250901, 274960, 286744, 314240, 327040, 358430, 439936, 501802, 549920, 573488, 628480, 654080, 716860, 879872, 1003604, 1099840, 1146976, 1254505, 1433720, 2007208, 2199680, 2293952, 2509010, 2867440, 4014416, 4399360, 4587904, 5018020, 5734880, 8028832, 9175808, 10036040, 11469760, 16057664, 20072080, 22939520, 32115328, 40144160, 45879040, 64230656, 80288320, 160576640, 321153280]

約数ペア:

[(1, 321153280), (2, 160576640), (4, 80288320), (5, 64230656), (7, 45879040), (8, 40144160), (10, 32115328), (14, 22939520), (16, 20072080), (20, 16057664), (28, 11469760), (32, 10036040), (35, 9175808), (40, 8028832), (56, 5734880), (64, 5018020), (70, 4587904), (73, 4399360), (80, 4014416), (112, 2867440), (128, 2509010), (140, 2293952), (146, 2199680), (160, 2007208), (224, 1433720), (256, 1254505), (280, 1146976), (292, 1099840), (320, 1003604), (365, 879872), (448, 716860), (491, 654080), (511, 628480), (560, 573488), (584, 549920), (640, 501802), (730, 439936), (896, 358430), (982, 327040), (1022, 314240), (1120, 286744), (1168, 274960), (1280, 250901), (1460, 219968), (1792, 179215), (1964, 163520), (2044, 157120), (2240, 143372), (2336, 137480), (2455, 130816), (2555, 125696), (2920, 109984), (3437, 93440), (3928, 81760), (4088, 78560), (4480, 71686), (4672, 68740), (4910, 65408), (5110, 62848), (5840, 54992), (6874, 46720), (7856, 40880), (8176, 39280), (8960, 35843), (9344, 34370), (9820, 32704), (10220, 31424), (11680, 27496), (13748, 23360), (15712, 20440), (16352, 19640), (17185, 18688)]