1681520640

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{431}}^1$

素因数の和:588

約数の個数: 192

約数和(自身を含む): 5434490880

約数和(自身を除く): 3752970240

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, 128, 160, 192, 240, 254, 256, 320, 381, 384, 431, 480, 508, 512, 635, 640, 762, 768, 862, 960, 1016, 1024, 1270, 1280, 1293, 1524, 1536, 1724, 1905, 1920, 2032, 2048, 2155, 2540, 2560, 2586, 3048, 3072, 3448, 3810, 3840, 4064, 4310, 5080, 5120, 5172, 6096, 6144, 6465, 6896, 7620, 7680, 8128, 8620, 10160, 10240, 10344, 12192, 12930, 13792, 15240, 15360, 16256, 17240, 20320, 20688, 24384, 25860, 27584, 30480, 30720, 32512, 34480, 40640, 41376, 48768, 51720, 54737, 55168, 60960, 65024, 68960, 81280, 82752, 97536, 103440, 109474, 110336, 121920, 130048, 137920, 162560, 164211, 165504, 195072, 206880, 218948, 220672, 243840, 260096, 273685, 275840, 325120, 328422, 331008, 390144, 413760, 437896, 441344, 487680, 547370, 551680, 650240, 656844, 662016, 780288, 821055, 827520, 875792, 882688, 975360, 1094740, 1103360, 1300480, 1313688, 1324032, 1642110, 1655040, 1751584, 1950720, 2189480, 2206720, 2627376, 2648064, 3284220, 3310080, 3503168, 3901440, 4378960, 4413440, 5254752, 6568440, 6620160, 7006336, 8757920, 10509504, 13136880, 13240320, 14012672, 17515840, 21019008, 26273760, 28025344, 35031680, 42038016, 52547520, 56050688, 70063360, 84076032, 105095040, 112101376, 140126720, 168152064, 210190080, 280253440, 336304128, 420380160, 560506880, 840760320, 1681520640]

約数ペア:

[(1, 1681520640), (2, 840760320), (3, 560506880), (4, 420380160), (5, 336304128), (6, 280253440), (8, 210190080), (10, 168152064), (12, 140126720), (15, 112101376), (16, 105095040), (20, 84076032), (24, 70063360), (30, 56050688), (32, 52547520), (40, 42038016), (48, 35031680), (60, 28025344), (64, 26273760), (80, 21019008), (96, 17515840), (120, 14012672), (127, 13240320), (128, 13136880), (160, 10509504), (192, 8757920), (240, 7006336), (254, 6620160), (256, 6568440), (320, 5254752), (381, 4413440), (384, 4378960), (431, 3901440), (480, 3503168), (508, 3310080), (512, 3284220), (635, 2648064), (640, 2627376), (762, 2206720), (768, 2189480), (862, 1950720), (960, 1751584), (1016, 1655040), (1024, 1642110), (1270, 1324032), (1280, 1313688), (1293, 1300480), (1524, 1103360), (1536, 1094740), (1724, 975360), (1905, 882688), (1920, 875792), (2032, 827520), (2048, 821055), (2155, 780288), (2540, 662016), (2560, 656844), (2586, 650240), (3048, 551680), (3072, 547370), (3448, 487680), (3810, 441344), (3840, 437896), (4064, 413760), (4310, 390144), (5080, 331008), (5120, 328422), (5172, 325120), (6096, 275840), (6144, 273685), (6465, 260096), (6896, 243840), (7620, 220672), (7680, 218948), (8128, 206880), (8620, 195072), (10160, 165504), (10240, 164211), (10344, 162560), (12192, 137920), (12930, 130048), (13792, 121920), (15240, 110336), (15360, 109474), (16256, 103440), (17240, 97536), (20320, 82752), (20688, 81280), (24384, 68960), (25860, 65024), (27584, 60960), (30480, 55168), (30720, 54737), (32512, 51720), (34480, 48768), (40640, 41376)]