640506720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:250

約数の個数: 384

約数和(自身を含む): 2477260800

約数和(自身を除く): 1836754080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 79, 80, 84, 95, 96, 105, 112, 114, 120, 127, 133, 140, 152, 158, 160, 168, 190, 210, 224, 228, 237, 240, 254, 266, 280, 285, 304, 316, 336, 380, 381, 395, 399, 420, 456, 474, 480, 508, 532, 553, 560, 570, 608, 632, 635, 665, 672, 760, 762, 790, 798, 840, 889, 912, 948, 1016, 1064, 1106, 1120, 1140, 1185, 1264, 1270, 1330, 1501, 1520, 1524, 1580, 1596, 1659, 1680, 1778, 1824, 1896, 1905, 1995, 2032, 2128, 2212, 2280, 2370, 2413, 2528, 2540, 2660, 2667, 2765, 3002, 3040, 3048, 3160, 3192, 3318, 3360, 3556, 3792, 3810, 3990, 4064, 4256, 4424, 4445, 4503, 4560, 4740, 4826, 5080, 5320, 5334, 5530, 6004, 6096, 6320, 6384, 6636, 7112, 7239, 7505, 7584, 7620, 7980, 8295, 8848, 8890, 9006, 9120, 9480, 9652, 10033, 10160, 10507, 10640, 10668, 11060, 12008, 12065, 12192, 12640, 12768, 13272, 13335, 14224, 14478, 15010, 15240, 15960, 16590, 16891, 17696, 17780, 18012, 18960, 19304, 20066, 20320, 21014, 21280, 21336, 22120, 22515, 24016, 24130, 26544, 26670, 28448, 28956, 30020, 30099, 30480, 31521, 31920, 33180, 33782, 35560, 36024, 36195, 37920, 38608, 40132, 42028, 42672, 44240, 45030, 48032, 48260, 50165, 50673, 52535, 53088, 53340, 57912, 60040, 60198, 60960, 63042, 63840, 66360, 67564, 70231, 71120, 72048, 72390, 77216, 80264, 84056, 84455, 85344, 88480, 90060, 96520, 100330, 101346, 105070, 106680, 115824, 120080, 120396, 126084, 132720, 135128, 140462, 142240, 144096, 144780, 150495, 157605, 160528, 168112, 168910, 180120, 190627, 193040, 200660, 202692, 210140, 210693, 213360, 231648, 240160, 240792, 252168, 253365, 265440, 270256, 280924, 289560, 300990, 315210, 321056, 336224, 337820, 351155, 360240, 381254, 386080, 401320, 405384, 420280, 421386, 426720, 481584, 504336, 506730, 540512, 561848, 571881, 579120, 601980, 630420, 675640, 702310, 720480, 762508, 802640, 810768, 840560, 842772, 953135, 963168, 1008672, 1013460, 1053465, 1123696, 1143762, 1158240, 1203960, 1260840, 1334389, 1351280, 1404620, 1525016, 1605280, 1621536, 1681120, 1685544, 1906270, 2026920, 2106930, 2247392, 2287524, 2407920, 2521680, 2668778, 2702560, 2809240, 2859405, 3050032, 3371088, 3812540, 4003167, 4053840, 4213860, 4575048, 4815840, 5043360, 5337556, 5618480, 5718810, 6100064, 6671945, 6742176, 7625080, 8006334, 8107680, 8427720, 9150096, 10675112, 11236960, 11437620, 13343890, 15250160, 16012668, 16855440, 18300192, 20015835, 21350224, 22875240, 26687780, 30500320, 32025336, 33710880, 40031670, 42700448, 45750480, 53375560, 64050672, 80063340, 91500960, 106751120, 128101344, 160126680, 213502240, 320253360, 640506720]

約数ペア:

[(1, 640506720), (2, 320253360), (3, 213502240), (4, 160126680), (5, 128101344), (6, 106751120), (7, 91500960), (8, 80063340), (10, 64050672), (12, 53375560), (14, 45750480), (15, 42700448), (16, 40031670), (19, 33710880), (20, 32025336), (21, 30500320), (24, 26687780), (28, 22875240), (30, 21350224), (32, 20015835), (35, 18300192), (38, 16855440), (40, 16012668), (42, 15250160), (48, 13343890), (56, 11437620), (57, 11236960), (60, 10675112), (70, 9150096), (76, 8427720), (79, 8107680), (80, 8006334), (84, 7625080), (95, 6742176), (96, 6671945), (105, 6100064), (112, 5718810), (114, 5618480), (120, 5337556), (127, 5043360), (133, 4815840), (140, 4575048), (152, 4213860), (158, 4053840), (160, 4003167), (168, 3812540), (190, 3371088), (210, 3050032), (224, 2859405), (228, 2809240), (237, 2702560), (240, 2668778), (254, 2521680), (266, 2407920), (280, 2287524), (285, 2247392), (304, 2106930), (316, 2026920), (336, 1906270), (380, 1685544), (381, 1681120), (395, 1621536), (399, 1605280), (420, 1525016), (456, 1404620), (474, 1351280), (480, 1334389), (508, 1260840), (532, 1203960), (553, 1158240), (560, 1143762), (570, 1123696), (608, 1053465), (632, 1013460), (635, 1008672), (665, 963168), (672, 953135), (760, 842772), (762, 840560), (790, 810768), (798, 802640), (840, 762508), (889, 720480), (912, 702310), (948, 675640), (1016, 630420), (1064, 601980), (1106, 579120), (1120, 571881), (1140, 561848), (1185, 540512), (1264, 506730), (1270, 504336), (1330, 481584), (1501, 426720), (1520, 421386), (1524, 420280), (1580, 405384), (1596, 401320), (1659, 386080), (1680, 381254), (1778, 360240), (1824, 351155), (1896, 337820), (1905, 336224), (1995, 321056), (2032, 315210), (2128, 300990), (2212, 289560), (2280, 280924), (2370, 270256), (2413, 265440), (2528, 253365), (2540, 252168), (2660, 240792), (2667, 240160), (2765, 231648), (3002, 213360), (3040, 210693), (3048, 210140), (3160, 202692), (3192, 200660), (3318, 193040), (3360, 190627), (3556, 180120), (3792, 168910), (3810, 168112), (3990, 160528), (4064, 157605), (4256, 150495), (4424, 144780), (4445, 144096), (4503, 142240), (4560, 140462), (4740, 135128), (4826, 132720), (5080, 126084), (5320, 120396), (5334, 120080), (5530, 115824), (6004, 106680), (6096, 105070), (6320, 101346), (6384, 100330), (6636, 96520), (7112, 90060), (7239, 88480), (7505, 85344), (7584, 84455), (7620, 84056), (7980, 80264), (8295, 77216), (8848, 72390), (8890, 72048), (9006, 71120), (9120, 70231), (9480, 67564), (9652, 66360), (10033, 63840), (10160, 63042), (10507, 60960), (10640, 60198), (10668, 60040), (11060, 57912), (12008, 53340), (12065, 53088), (12192, 52535), (12640, 50673), (12768, 50165), (13272, 48260), (13335, 48032), (14224, 45030), (14478, 44240), (15010, 42672), (15240, 42028), (15960, 40132), (16590, 38608), (16891, 37920), (17696, 36195), (17780, 36024), (18012, 35560), (18960, 33782), (19304, 33180), (20066, 31920), (20320, 31521), (21014, 30480), (21280, 30099), (21336, 30020), (22120, 28956), (22515, 28448), (24016, 26670), (24130, 26544)]