1245215440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{10247}}^1$

素因数の和:10305

約数の個数: 120

約数和(自身を含む): 3476777472

約数和(自身を除く): 2231562032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 1085, 1240, 1519, 1736, 1960, 2170, 2480, 3038, 3472, 3920, 4340, 6076, 7595, 8680, 10247, 12152, 15190, 17360, 20494, 24304, 30380, 40988, 51235, 60760, 71729, 81976, 102470, 121520, 143458, 163952, 204940, 286916, 317657, 358645, 409880, 502103, 573832, 635314, 717290, 819760, 1004206, 1147664, 1270628, 1434580, 1588285, 2008412, 2223599, 2510515, 2541256, 2869160, 3176570, 4016824, 4447198, 5021030, 5082512, 5738320, 6353140, 8033648, 8894396, 10042060, 11117995, 12706280, 15565193, 17788792, 20084120, 22235990, 25412560, 31130386, 35577584, 40168240, 44471980, 62260772, 77825965, 88943960, 124521544, 155651930, 177887920, 249043088, 311303860, 622607720, 1245215440]

約数ペア:

[(1, 1245215440), (2, 622607720), (4, 311303860), (5, 249043088), (7, 177887920), (8, 155651930), (10, 124521544), (14, 88943960), (16, 77825965), (20, 62260772), (28, 44471980), (31, 40168240), (35, 35577584), (40, 31130386), (49, 25412560), (56, 22235990), (62, 20084120), (70, 17788792), (80, 15565193), (98, 12706280), (112, 11117995), (124, 10042060), (140, 8894396), (155, 8033648), (196, 6353140), (217, 5738320), (245, 5082512), (248, 5021030), (280, 4447198), (310, 4016824), (392, 3176570), (434, 2869160), (490, 2541256), (496, 2510515), (560, 2223599), (620, 2008412), (784, 1588285), (868, 1434580), (980, 1270628), (1085, 1147664), (1240, 1004206), (1519, 819760), (1736, 717290), (1960, 635314), (2170, 573832), (2480, 502103), (3038, 409880), (3472, 358645), (3920, 317657), (4340, 286916), (6076, 204940), (7595, 163952), (8680, 143458), (10247, 121520), (12152, 102470), (15190, 81976), (17360, 71729), (20494, 60760), (24304, 51235), (30380, 40988)]