389321520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:244

約数の個数: 320

約数和(自身を含む): 1461335040

約数和(自身を除く): 1072013520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 35, 40, 42, 48, 56, 58, 60, 61, 70, 80, 84, 87, 105, 112, 116, 120, 122, 131, 140, 145, 168, 174, 183, 203, 210, 232, 240, 244, 262, 280, 290, 305, 336, 348, 366, 393, 406, 420, 427, 435, 464, 488, 524, 560, 580, 609, 610, 655, 696, 732, 786, 812, 840, 854, 870, 915, 917, 976, 1015, 1048, 1160, 1218, 1220, 1281, 1310, 1392, 1464, 1572, 1624, 1680, 1708, 1740, 1769, 1830, 1834, 1965, 2030, 2096, 2135, 2320, 2436, 2440, 2562, 2620, 2751, 2928, 3045, 3144, 3248, 3416, 3480, 3538, 3660, 3668, 3799, 3930, 4060, 4270, 4585, 4872, 4880, 5124, 5240, 5307, 5502, 6090, 6288, 6405, 6832, 6960, 7076, 7320, 7336, 7598, 7860, 7991, 8120, 8540, 8845, 9170, 9744, 10248, 10480, 10614, 11004, 11397, 12180, 12383, 12810, 13755, 14152, 14640, 14672, 15196, 15720, 15982, 16240, 17080, 17690, 18340, 18995, 20496, 21228, 22008, 22794, 23973, 24360, 24766, 25620, 26535, 26593, 27510, 28304, 30392, 31440, 31964, 34160, 35380, 36680, 37149, 37990, 39955, 42456, 44016, 45588, 47946, 48720, 49532, 51240, 53070, 53186, 55020, 55937, 56985, 60784, 61915, 63928, 70760, 73360, 74298, 75980, 79779, 79910, 84912, 91176, 95892, 99064, 102480, 106140, 106372, 110040, 111874, 113970, 119865, 123830, 127856, 132965, 141520, 148596, 151960, 159558, 159820, 167811, 182352, 185745, 191784, 198128, 212280, 212744, 220080, 223748, 227940, 231739, 239730, 247660, 265930, 279685, 297192, 303920, 319116, 319640, 335622, 371490, 383568, 398895, 424560, 425488, 447496, 455880, 463478, 479460, 495320, 531860, 559370, 594384, 638232, 639280, 671244, 695217, 742980, 797790, 839055, 894992, 911760, 926956, 958920, 990640, 1063720, 1118740, 1158695, 1276464, 1342488, 1390434, 1485960, 1595580, 1622173, 1678110, 1853912, 1917840, 2127440, 2237480, 2317390, 2684976, 2780868, 2971920, 3191160, 3244346, 3356220, 3476085, 3707824, 4474960, 4634780, 4866519, 5561736, 6382320, 6488692, 6712440, 6952170, 8110865, 9269560, 9733038, 11123472, 12977384, 13424880, 13904340, 16221730, 18539120, 19466076, 24332595, 25954768, 27808680, 32443460, 38932152, 48665190, 55617360, 64886920, 77864304, 97330380, 129773840, 194660760, 389321520]

約数ペア:

[(1, 389321520), (2, 194660760), (3, 129773840), (4, 97330380), (5, 77864304), (6, 64886920), (7, 55617360), (8, 48665190), (10, 38932152), (12, 32443460), (14, 27808680), (15, 25954768), (16, 24332595), (20, 19466076), (21, 18539120), (24, 16221730), (28, 13904340), (29, 13424880), (30, 12977384), (35, 11123472), (40, 9733038), (42, 9269560), (48, 8110865), (56, 6952170), (58, 6712440), (60, 6488692), (61, 6382320), (70, 5561736), (80, 4866519), (84, 4634780), (87, 4474960), (105, 3707824), (112, 3476085), (116, 3356220), (120, 3244346), (122, 3191160), (131, 2971920), (140, 2780868), (145, 2684976), (168, 2317390), (174, 2237480), (183, 2127440), (203, 1917840), (210, 1853912), (232, 1678110), (240, 1622173), (244, 1595580), (262, 1485960), (280, 1390434), (290, 1342488), (305, 1276464), (336, 1158695), (348, 1118740), (366, 1063720), (393, 990640), (406, 958920), (420, 926956), (427, 911760), (435, 894992), (464, 839055), (488, 797790), (524, 742980), (560, 695217), (580, 671244), (609, 639280), (610, 638232), (655, 594384), (696, 559370), (732, 531860), (786, 495320), (812, 479460), (840, 463478), (854, 455880), (870, 447496), (915, 425488), (917, 424560), (976, 398895), (1015, 383568), (1048, 371490), (1160, 335622), (1218, 319640), (1220, 319116), (1281, 303920), (1310, 297192), (1392, 279685), (1464, 265930), (1572, 247660), (1624, 239730), (1680, 231739), (1708, 227940), (1740, 223748), (1769, 220080), (1830, 212744), (1834, 212280), (1965, 198128), (2030, 191784), (2096, 185745), (2135, 182352), (2320, 167811), (2436, 159820), (2440, 159558), (2562, 151960), (2620, 148596), (2751, 141520), (2928, 132965), (3045, 127856), (3144, 123830), (3248, 119865), (3416, 113970), (3480, 111874), (3538, 110040), (3660, 106372), (3668, 106140), (3799, 102480), (3930, 99064), (4060, 95892), (4270, 91176), (4585, 84912), (4872, 79910), (4880, 79779), (5124, 75980), (5240, 74298), (5307, 73360), (5502, 70760), (6090, 63928), (6288, 61915), (6405, 60784), (6832, 56985), (6960, 55937), (7076, 55020), (7320, 53186), (7336, 53070), (7598, 51240), (7860, 49532), (7991, 48720), (8120, 47946), (8540, 45588), (8845, 44016), (9170, 42456), (9744, 39955), (10248, 37990), (10480, 37149), (10614, 36680), (11004, 35380), (11397, 34160), (12180, 31964), (12383, 31440), (12810, 30392), (13755, 28304), (14152, 27510), (14640, 26593), (14672, 26535), (15196, 25620), (15720, 24766), (15982, 24360), (16240, 23973), (17080, 22794), (17690, 22008), (18340, 21228), (18995, 20496)]