80288320

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:588

約数の個数: 112

約数和(自身を含む): 221943168

約数和(自身を除く): 141654848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 140, 146, 160, 224, 280, 292, 320, 365, 448, 491, 511, 560, 584, 730, 982, 1022, 1120, 1168, 1460, 1964, 2044, 2240, 2336, 2455, 2555, 2920, 3437, 3928, 4088, 4672, 4910, 5110, 5840, 6874, 7856, 8176, 9820, 10220, 11680, 13748, 15712, 16352, 17185, 19640, 20440, 23360, 27496, 31424, 32704, 34370, 35843, 39280, 40880, 54992, 68740, 71686, 78560, 81760, 109984, 137480, 143372, 157120, 163520, 179215, 219968, 250901, 274960, 286744, 358430, 501802, 549920, 573488, 716860, 1003604, 1099840, 1146976, 1254505, 1433720, 2007208, 2293952, 2509010, 2867440, 4014416, 5018020, 5734880, 8028832, 10036040, 11469760, 16057664, 20072080, 40144160, 80288320]

約数ペア:

[(1, 80288320), (2, 40144160), (4, 20072080), (5, 16057664), (7, 11469760), (8, 10036040), (10, 8028832), (14, 5734880), (16, 5018020), (20, 4014416), (28, 2867440), (32, 2509010), (35, 2293952), (40, 2007208), (56, 1433720), (64, 1254505), (70, 1146976), (73, 1099840), (80, 1003604), (112, 716860), (140, 573488), (146, 549920), (160, 501802), (224, 358430), (280, 286744), (292, 274960), (320, 250901), (365, 219968), (448, 179215), (491, 163520), (511, 157120), (560, 143372), (584, 137480), (730, 109984), (982, 81760), (1022, 78560), (1120, 71686), (1168, 68740), (1460, 54992), (1964, 40880), (2044, 39280), (2240, 35843), (2336, 34370), (2455, 32704), (2555, 31424), (2920, 27496), (3437, 23360), (3928, 20440), (4088, 19640), (4672, 17185), (4910, 16352), (5110, 15712), (5840, 13748), (6874, 11680), (7856, 10220), (8176, 9820)]