20176622080

素因数分解:

$2^9\times 5^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1\times {\mathrm{271}}^1$

素因数の和:650

約数の個数: 160

約数和(自身を含む): 49151139840

約数和(自身を除く): 28974517760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 229, 254, 256, 271, 320, 458, 508, 512, 542, 635, 640, 916, 1016, 1084, 1145, 1270, 1280, 1355, 1832, 2032, 2168, 2290, 2540, 2560, 2710, 3664, 4064, 4336, 4580, 5080, 5420, 7328, 8128, 8672, 9160, 10160, 10840, 14656, 16256, 17344, 18320, 20320, 21680, 29083, 29312, 32512, 34417, 34688, 36640, 40640, 43360, 58166, 58624, 62059, 65024, 68834, 69376, 73280, 81280, 86720, 116332, 117248, 124118, 137668, 138752, 145415, 146560, 162560, 172085, 173440, 232664, 248236, 275336, 290830, 293120, 310295, 325120, 344170, 346880, 465328, 496472, 550672, 581660, 586240, 620590, 688340, 693760, 930656, 992944, 1101344, 1163320, 1241180, 1376680, 1861312, 1985888, 2202688, 2326640, 2482360, 2753360, 3722624, 3971776, 4405376, 4653280, 4964720, 5506720, 7445248, 7881493, 7943552, 8810752, 9306560, 9929440, 11013440, 14890496, 15762986, 15887104, 17621504, 18613120, 19858880, 22026880, 31525972, 31774208, 37226240, 39407465, 39717760, 44053760, 63051944, 74452480, 78814930, 79435520, 88107520, 126103888, 157629860, 158871040, 252207776, 315259720, 504415552, 630519440, 1008831104, 1261038880, 2017662208, 2522077760, 4035324416, 5044155520, 10088311040, 20176622080]

約数ペア:

[(1, 20176622080), (2, 10088311040), (4, 5044155520), (5, 4035324416), (8, 2522077760), (10, 2017662208), (16, 1261038880), (20, 1008831104), (32, 630519440), (40, 504415552), (64, 315259720), (80, 252207776), (127, 158871040), (128, 157629860), (160, 126103888), (229, 88107520), (254, 79435520), (256, 78814930), (271, 74452480), (320, 63051944), (458, 44053760), (508, 39717760), (512, 39407465), (542, 37226240), (635, 31774208), (640, 31525972), (916, 22026880), (1016, 19858880), (1084, 18613120), (1145, 17621504), (1270, 15887104), (1280, 15762986), (1355, 14890496), (1832, 11013440), (2032, 9929440), (2168, 9306560), (2290, 8810752), (2540, 7943552), (2560, 7881493), (2710, 7445248), (3664, 5506720), (4064, 4964720), (4336, 4653280), (4580, 4405376), (5080, 3971776), (5420, 3722624), (7328, 2753360), (8128, 2482360), (8672, 2326640), (9160, 2202688), (10160, 1985888), (10840, 1861312), (14656, 1376680), (16256, 1241180), (17344, 1163320), (18320, 1101344), (20320, 992944), (21680, 930656), (29083, 693760), (29312, 688340), (32512, 620590), (34417, 586240), (34688, 581660), (36640, 550672), (40640, 496472), (43360, 465328), (58166, 346880), (58624, 344170), (62059, 325120), (65024, 310295), (68834, 293120), (69376, 290830), (73280, 275336), (81280, 248236), (86720, 232664), (116332, 173440), (117248, 172085), (124118, 162560), (137668, 146560), (138752, 145415)]