251811360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7603}}^1$

素因数の和:7647

約数の個数: 144

約数和(自身を含む): 896785344

約数和(自身を除く): 644973984

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 207, 230, 240, 276, 288, 345, 360, 368, 414, 460, 480, 552, 690, 720, 736, 828, 920, 1035, 1104, 1380, 1440, 1656, 1840, 2070, 2208, 2760, 3312, 3680, 4140, 5520, 6624, 7603, 8280, 11040, 15206, 16560, 22809, 30412, 33120, 38015, 45618, 60824, 68427, 76030, 91236, 114045, 121648, 136854, 152060, 174869, 182472, 228090, 243296, 273708, 304120, 342135, 349738, 364944, 456180, 524607, 547416, 608240, 684270, 699476, 729888, 874345, 912360, 1049214, 1094832, 1216480, 1368540, 1398952, 1573821, 1748690, 1824720, 2098428, 2189664, 2623035, 2737080, 2797904, 3147642, 3497380, 3649440, 4196856, 5246070, 5474160, 5595808, 6295284, 6994760, 7869105, 8393712, 10492140, 10948320, 12590568, 13989520, 15738210, 16787424, 20984280, 25181136, 27979040, 31476420, 41968560, 50362272, 62952840, 83937120, 125905680, 251811360]

約数ペア:

[(1, 251811360), (2, 125905680), (3, 83937120), (4, 62952840), (5, 50362272), (6, 41968560), (8, 31476420), (9, 27979040), (10, 25181136), (12, 20984280), (15, 16787424), (16, 15738210), (18, 13989520), (20, 12590568), (23, 10948320), (24, 10492140), (30, 8393712), (32, 7869105), (36, 6994760), (40, 6295284), (45, 5595808), (46, 5474160), (48, 5246070), (60, 4196856), (69, 3649440), (72, 3497380), (80, 3147642), (90, 2797904), (92, 2737080), (96, 2623035), (115, 2189664), (120, 2098428), (138, 1824720), (144, 1748690), (160, 1573821), (180, 1398952), (184, 1368540), (207, 1216480), (230, 1094832), (240, 1049214), (276, 912360), (288, 874345), (345, 729888), (360, 699476), (368, 684270), (414, 608240), (460, 547416), (480, 524607), (552, 456180), (690, 364944), (720, 349738), (736, 342135), (828, 304120), (920, 273708), (1035, 243296), (1104, 228090), (1380, 182472), (1440, 174869), (1656, 152060), (1840, 136854), (2070, 121648), (2208, 114045), (2760, 91236), (3312, 76030), (3680, 68427), (4140, 60824), (5520, 45618), (6624, 38015), (7603, 33120), (8280, 30412), (11040, 22809), (15206, 16560)]