19557756160

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{3881}}^1$

素因数の和:4060

約数の個数: 144

約数和(自身を含む): 48751460352

約数和(自身を除く): 29193704192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 127, 128, 155, 160, 248, 254, 256, 310, 320, 496, 508, 620, 635, 640, 992, 1016, 1240, 1270, 1280, 1984, 2032, 2480, 2540, 3881, 3937, 3968, 4064, 4960, 5080, 7762, 7874, 7936, 8128, 9920, 10160, 15524, 15748, 16256, 19405, 19685, 19840, 20320, 31048, 31496, 32512, 38810, 39370, 39680, 40640, 62096, 62992, 77620, 78740, 81280, 120311, 124192, 125984, 155240, 157480, 162560, 240622, 248384, 251968, 310480, 314960, 481244, 492887, 496768, 503936, 601555, 620960, 629920, 962488, 985774, 993536, 1007872, 1203110, 1241920, 1259840, 1924976, 1971548, 2406220, 2464435, 2483840, 2519680, 3849952, 3943096, 4812440, 4928870, 4967680, 5039360, 7699904, 7886192, 9624880, 9857740, 15279497, 15399808, 15772384, 19249760, 19715480, 30558994, 30799616, 31544768, 38499520, 39430960, 61117988, 63089536, 76397485, 76999040, 78861920, 122235976, 126179072, 152794970, 153998080, 157723840, 244471952, 305589940, 315447680, 488943904, 611179880, 630895360, 977887808, 1222359760, 1955775616, 2444719520, 3911551232, 4889439040, 9778878080, 19557756160]

約数ペア:

[(1, 19557756160), (2, 9778878080), (4, 4889439040), (5, 3911551232), (8, 2444719520), (10, 1955775616), (16, 1222359760), (20, 977887808), (31, 630895360), (32, 611179880), (40, 488943904), (62, 315447680), (64, 305589940), (80, 244471952), (124, 157723840), (127, 153998080), (128, 152794970), (155, 126179072), (160, 122235976), (248, 78861920), (254, 76999040), (256, 76397485), (310, 63089536), (320, 61117988), (496, 39430960), (508, 38499520), (620, 31544768), (635, 30799616), (640, 30558994), (992, 19715480), (1016, 19249760), (1240, 15772384), (1270, 15399808), (1280, 15279497), (1984, 9857740), (2032, 9624880), (2480, 7886192), (2540, 7699904), (3881, 5039360), (3937, 4967680), (3968, 4928870), (4064, 4812440), (4960, 3943096), (5080, 3849952), (7762, 2519680), (7874, 2483840), (7936, 2464435), (8128, 2406220), (9920, 1971548), (10160, 1924976), (15524, 1259840), (15748, 1241920), (16256, 1203110), (19405, 1007872), (19685, 993536), (19840, 985774), (20320, 962488), (31048, 629920), (31496, 620960), (32512, 601555), (38810, 503936), (39370, 496768), (39680, 492887), (40640, 481244), (62096, 314960), (62992, 310480), (77620, 251968), (78740, 248384), (81280, 240622), (120311, 162560), (124192, 157480), (125984, 155240)]