205743720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:344

約数の個数: 256

約数和(自身を含む): 772208640

約数和(自身を除く): 566464920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 83, 84, 91, 104, 105, 120, 130, 140, 156, 166, 168, 182, 195, 210, 227, 249, 260, 273, 280, 312, 332, 364, 390, 415, 420, 454, 455, 498, 520, 546, 581, 664, 681, 728, 780, 830, 840, 908, 910, 996, 1079, 1092, 1135, 1162, 1245, 1362, 1365, 1560, 1589, 1660, 1743, 1816, 1820, 1992, 2158, 2184, 2270, 2324, 2490, 2724, 2730, 2905, 2951, 3178, 3237, 3320, 3405, 3486, 3640, 4316, 4540, 4648, 4767, 4980, 5395, 5448, 5460, 5810, 5902, 6356, 6474, 6810, 6972, 7553, 7945, 8632, 8715, 8853, 9080, 9534, 9960, 10790, 10920, 11620, 11804, 12712, 12948, 13620, 13944, 14755, 15106, 15890, 16185, 17430, 17706, 18841, 19068, 20657, 21580, 22659, 23240, 23608, 23835, 25896, 27240, 29510, 30212, 31780, 32370, 34860, 35412, 37682, 37765, 38136, 41314, 43160, 44265, 45318, 47670, 56523, 59020, 60424, 61971, 63560, 64740, 69720, 70824, 75364, 75530, 82628, 88530, 90636, 94205, 95340, 103285, 113046, 113295, 118040, 123942, 129480, 131887, 150728, 151060, 165256, 177060, 181272, 188410, 190680, 206570, 226092, 226590, 244933, 247884, 263774, 282615, 302120, 309855, 354120, 376820, 395661, 413140, 452184, 453180, 489866, 495768, 527548, 565230, 619710, 659435, 734799, 753640, 791322, 826280, 906360, 979732, 1055096, 1130460, 1224665, 1239420, 1318870, 1469598, 1582644, 1714531, 1959464, 1978305, 2260920, 2449330, 2478840, 2637740, 2939196, 3165288, 3429062, 3673995, 3956610, 4898660, 5143593, 5275480, 5878392, 6858124, 7347990, 7913220, 8572655, 9797320, 10287186, 13716248, 14695980, 15826440, 17145310, 20574372, 25717965, 29391960, 34290620, 41148744, 51435930, 68581240, 102871860, 205743720]

約数ペア:

[(1, 205743720), (2, 102871860), (3, 68581240), (4, 51435930), (5, 41148744), (6, 34290620), (7, 29391960), (8, 25717965), (10, 20574372), (12, 17145310), (13, 15826440), (14, 14695980), (15, 13716248), (20, 10287186), (21, 9797320), (24, 8572655), (26, 7913220), (28, 7347990), (30, 6858124), (35, 5878392), (39, 5275480), (40, 5143593), (42, 4898660), (52, 3956610), (56, 3673995), (60, 3429062), (65, 3165288), (70, 2939196), (78, 2637740), (83, 2478840), (84, 2449330), (91, 2260920), (104, 1978305), (105, 1959464), (120, 1714531), (130, 1582644), (140, 1469598), (156, 1318870), (166, 1239420), (168, 1224665), (182, 1130460), (195, 1055096), (210, 979732), (227, 906360), (249, 826280), (260, 791322), (273, 753640), (280, 734799), (312, 659435), (332, 619710), (364, 565230), (390, 527548), (415, 495768), (420, 489866), (454, 453180), (455, 452184), (498, 413140), (520, 395661), (546, 376820), (581, 354120), (664, 309855), (681, 302120), (728, 282615), (780, 263774), (830, 247884), (840, 244933), (908, 226590), (910, 226092), (996, 206570), (1079, 190680), (1092, 188410), (1135, 181272), (1162, 177060), (1245, 165256), (1362, 151060), (1365, 150728), (1560, 131887), (1589, 129480), (1660, 123942), (1743, 118040), (1816, 113295), (1820, 113046), (1992, 103285), (2158, 95340), (2184, 94205), (2270, 90636), (2324, 88530), (2490, 82628), (2724, 75530), (2730, 75364), (2905, 70824), (2951, 69720), (3178, 64740), (3237, 63560), (3320, 61971), (3405, 60424), (3486, 59020), (3640, 56523), (4316, 47670), (4540, 45318), (4648, 44265), (4767, 43160), (4980, 41314), (5395, 38136), (5448, 37765), (5460, 37682), (5810, 35412), (5902, 34860), (6356, 32370), (6474, 31780), (6810, 30212), (6972, 29510), (7553, 27240), (7945, 25896), (8632, 23835), (8715, 23608), (8853, 23240), (9080, 22659), (9534, 21580), (9960, 20657), (10790, 19068), (10920, 18841), (11620, 17706), (11804, 17430), (12712, 16185), (12948, 15890), (13620, 15106), (13944, 14755)]