128240560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3137}}^1$

素因数の和:3230

約数の個数: 80

約数和(自身を含む): 345531456

約数和(自身を除く): 217290896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 1022, 1168, 1460, 2044, 2555, 2920, 3137, 4088, 5110, 5840, 6274, 8176, 10220, 12548, 15685, 20440, 21959, 25096, 31370, 40880, 43918, 50192, 62740, 87836, 109795, 125480, 175672, 219590, 229001, 250960, 351344, 439180, 458002, 878360, 916004, 1145005, 1603007, 1756720, 1832008, 2290010, 3206014, 3664016, 4580020, 6412028, 8015035, 9160040, 12824056, 16030070, 18320080, 25648112, 32060140, 64120280, 128240560]

約数ペア:

[(1, 128240560), (2, 64120280), (4, 32060140), (5, 25648112), (7, 18320080), (8, 16030070), (10, 12824056), (14, 9160040), (16, 8015035), (20, 6412028), (28, 4580020), (35, 3664016), (40, 3206014), (56, 2290010), (70, 1832008), (73, 1756720), (80, 1603007), (112, 1145005), (140, 916004), (146, 878360), (280, 458002), (292, 439180), (365, 351344), (511, 250960), (560, 229001), (584, 219590), (730, 175672), (1022, 125480), (1168, 109795), (1460, 87836), (2044, 62740), (2555, 50192), (2920, 43918), (3137, 40880), (4088, 31370), (5110, 25096), (5840, 21959), (6274, 20440), (8176, 15685), (10220, 12548)]