251520640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2441}}^1$

素因数の和:2490

約数の個数: 128

約数和(自身を含む): 717361920

約数和(自身を除く): 465841280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 280, 320, 322, 368, 448, 460, 560, 640, 644, 736, 805, 896, 920, 1120, 1288, 1472, 1610, 1840, 2240, 2441, 2576, 2944, 3220, 3680, 4480, 4882, 5152, 6440, 7360, 9764, 10304, 12205, 12880, 14720, 17087, 19528, 20608, 24410, 25760, 34174, 39056, 48820, 51520, 56143, 68348, 78112, 85435, 97640, 103040, 112286, 136696, 156224, 170870, 195280, 224572, 273392, 280715, 312448, 341740, 390560, 393001, 449144, 546784, 561430, 683480, 781120, 786002, 898288, 1093568, 1122860, 1366960, 1562240, 1572004, 1796576, 1965005, 2187136, 2245720, 2733920, 3144008, 3593152, 3930010, 4491440, 5467840, 6288016, 7186304, 7860020, 8982880, 10935680, 12576032, 15720040, 17965760, 25152064, 31440080, 35931520, 50304128, 62880160, 125760320, 251520640]

約数ペア:

[(1, 251520640), (2, 125760320), (4, 62880160), (5, 50304128), (7, 35931520), (8, 31440080), (10, 25152064), (14, 17965760), (16, 15720040), (20, 12576032), (23, 10935680), (28, 8982880), (32, 7860020), (35, 7186304), (40, 6288016), (46, 5467840), (56, 4491440), (64, 3930010), (70, 3593152), (80, 3144008), (92, 2733920), (112, 2245720), (115, 2187136), (128, 1965005), (140, 1796576), (160, 1572004), (161, 1562240), (184, 1366960), (224, 1122860), (230, 1093568), (280, 898288), (320, 786002), (322, 781120), (368, 683480), (448, 561430), (460, 546784), (560, 449144), (640, 393001), (644, 390560), (736, 341740), (805, 312448), (896, 280715), (920, 273392), (1120, 224572), (1288, 195280), (1472, 170870), (1610, 156224), (1840, 136696), (2240, 112286), (2441, 103040), (2576, 97640), (2944, 85435), (3220, 78112), (3680, 68348), (4480, 56143), (4882, 51520), (5152, 48820), (6440, 39056), (7360, 34174), (9764, 25760), (10304, 24410), (12205, 20608), (12880, 19528), (14720, 17087)]