641131560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{379}}^1$

素因数の和:560

約数の個数: 192

約数和(自身を含む): 2162534400

約数和(自身を除く): 1521402840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 74, 90, 111, 120, 127, 148, 180, 185, 222, 254, 296, 333, 360, 370, 379, 381, 444, 508, 555, 635, 666, 740, 758, 762, 888, 1016, 1110, 1137, 1143, 1270, 1332, 1480, 1516, 1524, 1665, 1895, 1905, 2220, 2274, 2286, 2540, 2664, 3032, 3048, 3330, 3411, 3790, 3810, 4440, 4548, 4572, 4699, 5080, 5685, 5715, 6660, 6822, 7580, 7620, 9096, 9144, 9398, 11370, 11430, 13320, 13644, 14023, 14097, 15160, 15240, 17055, 18796, 22740, 22860, 23495, 27288, 28046, 28194, 34110, 37592, 42069, 42291, 45480, 45720, 46990, 48133, 56092, 56388, 68220, 70115, 70485, 84138, 84582, 93980, 96266, 112184, 112776, 126207, 136440, 140230, 140970, 144399, 168276, 169164, 187960, 192532, 210345, 211455, 240665, 252414, 280460, 281940, 288798, 336552, 338328, 385064, 420690, 422910, 433197, 481330, 504828, 560920, 563880, 577596, 631035, 721995, 841380, 845820, 866394, 962660, 1009656, 1155192, 1262070, 1443990, 1682760, 1691640, 1732788, 1780921, 1925320, 2165985, 2524140, 2887980, 3465576, 3561842, 4331970, 5048280, 5342763, 5775960, 7123684, 8663940, 8904605, 10685526, 14247368, 16028289, 17327880, 17809210, 21371052, 26713815, 32056578, 35618420, 42742104, 53427630, 64113156, 71236840, 80141445, 106855260, 128226312, 160282890, 213710520, 320565780, 641131560]

約数ペア:

[(1, 641131560), (2, 320565780), (3, 213710520), (4, 160282890), (5, 128226312), (6, 106855260), (8, 80141445), (9, 71236840), (10, 64113156), (12, 53427630), (15, 42742104), (18, 35618420), (20, 32056578), (24, 26713815), (30, 21371052), (36, 17809210), (37, 17327880), (40, 16028289), (45, 14247368), (60, 10685526), (72, 8904605), (74, 8663940), (90, 7123684), (111, 5775960), (120, 5342763), (127, 5048280), (148, 4331970), (180, 3561842), (185, 3465576), (222, 2887980), (254, 2524140), (296, 2165985), (333, 1925320), (360, 1780921), (370, 1732788), (379, 1691640), (381, 1682760), (444, 1443990), (508, 1262070), (555, 1155192), (635, 1009656), (666, 962660), (740, 866394), (758, 845820), (762, 841380), (888, 721995), (1016, 631035), (1110, 577596), (1137, 563880), (1143, 560920), (1270, 504828), (1332, 481330), (1480, 433197), (1516, 422910), (1524, 420690), (1665, 385064), (1895, 338328), (1905, 336552), (2220, 288798), (2274, 281940), (2286, 280460), (2540, 252414), (2664, 240665), (3032, 211455), (3048, 210345), (3330, 192532), (3411, 187960), (3790, 169164), (3810, 168276), (4440, 144399), (4548, 140970), (4572, 140230), (4699, 136440), (5080, 126207), (5685, 112776), (5715, 112184), (6660, 96266), (6822, 93980), (7580, 84582), (7620, 84138), (9096, 70485), (9144, 70115), (9398, 68220), (11370, 56388), (11430, 56092), (13320, 48133), (13644, 46990), (14023, 45720), (14097, 45480), (15160, 42291), (15240, 42069), (17055, 37592), (18796, 34110), (22740, 28194), (22860, 28046), (23495, 27288)]