19915510080

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{379}}^1\times {\mathrm{431}}^1$

素因数の和:957

約数の個数: 224

約数和(自身を含む): 64046039040

約数和(自身を除く): 44130528960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 127, 160, 192, 240, 254, 320, 379, 381, 431, 480, 508, 635, 758, 762, 862, 960, 1016, 1137, 1270, 1293, 1516, 1524, 1724, 1895, 1905, 2032, 2155, 2274, 2540, 2586, 3032, 3048, 3448, 3790, 3810, 4064, 4310, 4548, 5080, 5172, 5685, 6064, 6096, 6465, 6896, 7580, 7620, 8128, 8620, 9096, 10160, 10344, 11370, 12128, 12192, 12930, 13792, 15160, 15240, 17240, 18192, 20320, 20688, 22740, 24256, 24384, 25860, 27584, 30320, 30480, 34480, 36384, 40640, 41376, 45480, 48133, 51720, 54737, 60640, 60960, 68960, 72768, 82752, 90960, 96266, 103440, 109474, 121280, 121920, 137920, 144399, 163349, 164211, 181920, 192532, 206880, 218948, 240665, 273685, 288798, 326698, 328422, 363840, 385064, 413760, 437896, 481330, 490047, 547370, 577596, 653396, 656844, 721995, 770128, 816745, 821055, 875792, 962660, 980094, 1094740, 1155192, 1306792, 1313688, 1443990, 1540256, 1633490, 1642110, 1751584, 1925320, 1960188, 2189480, 2310384, 2450235, 2613584, 2627376, 2887980, 3080512, 3266980, 3284220, 3503168, 3850640, 3920376, 4378960, 4620768, 4900470, 5227168, 5254752, 5775960, 6533960, 6568440, 7701280, 7840752, 8757920, 9241536, 9800940, 10454336, 10509504, 11551920, 13067920, 13136880, 15402560, 15681504, 17515840, 19601880, 20745323, 23103840, 26135840, 26273760, 31363008, 39203760, 41490646, 46207680, 52271680, 52547520, 62235969, 78407520, 82981292, 103726615, 124471938, 156815040, 165962584, 207453230, 248943876, 311179845, 331925168, 414906460, 497887752, 622359690, 663850336, 829812920, 995775504, 1244719380, 1327700672, 1659625840, 1991551008, 2489438760, 3319251680, 3983102016, 4978877520, 6638503360, 9957755040, 19915510080]

約数ペア:

[(1, 19915510080), (2, 9957755040), (3, 6638503360), (4, 4978877520), (5, 3983102016), (6, 3319251680), (8, 2489438760), (10, 1991551008), (12, 1659625840), (15, 1327700672), (16, 1244719380), (20, 995775504), (24, 829812920), (30, 663850336), (32, 622359690), (40, 497887752), (48, 414906460), (60, 331925168), (64, 311179845), (80, 248943876), (96, 207453230), (120, 165962584), (127, 156815040), (160, 124471938), (192, 103726615), (240, 82981292), (254, 78407520), (320, 62235969), (379, 52547520), (381, 52271680), (431, 46207680), (480, 41490646), (508, 39203760), (635, 31363008), (758, 26273760), (762, 26135840), (862, 23103840), (960, 20745323), (1016, 19601880), (1137, 17515840), (1270, 15681504), (1293, 15402560), (1516, 13136880), (1524, 13067920), (1724, 11551920), (1895, 10509504), (1905, 10454336), (2032, 9800940), (2155, 9241536), (2274, 8757920), (2540, 7840752), (2586, 7701280), (3032, 6568440), (3048, 6533960), (3448, 5775960), (3790, 5254752), (3810, 5227168), (4064, 4900470), (4310, 4620768), (4548, 4378960), (5080, 3920376), (5172, 3850640), (5685, 3503168), (6064, 3284220), (6096, 3266980), (6465, 3080512), (6896, 2887980), (7580, 2627376), (7620, 2613584), (8128, 2450235), (8620, 2310384), (9096, 2189480), (10160, 1960188), (10344, 1925320), (11370, 1751584), (12128, 1642110), (12192, 1633490), (12930, 1540256), (13792, 1443990), (15160, 1313688), (15240, 1306792), (17240, 1155192), (18192, 1094740), (20320, 980094), (20688, 962660), (22740, 875792), (24256, 821055), (24384, 816745), (25860, 770128), (27584, 721995), (30320, 656844), (30480, 653396), (34480, 577596), (36384, 547370), (40640, 490047), (41376, 481330), (45480, 437896), (48133, 413760), (51720, 385064), (54737, 363840), (60640, 328422), (60960, 326698), (68960, 288798), (72768, 273685), (82752, 240665), (90960, 218948), (96266, 206880), (103440, 192532), (109474, 181920), (121280, 164211), (121920, 163349), (137920, 144399)]