209261520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:394

約数の個数: 240

約数和(自身を含む): 769117440

約数和(自身を除く): 559855920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 79, 80, 90, 104, 117, 120, 130, 144, 156, 158, 180, 195, 208, 234, 237, 240, 260, 283, 312, 316, 360, 390, 395, 468, 474, 520, 566, 585, 624, 632, 711, 720, 780, 790, 849, 936, 948, 1027, 1040, 1132, 1170, 1185, 1264, 1415, 1422, 1560, 1580, 1698, 1872, 1896, 2054, 2264, 2340, 2370, 2547, 2830, 2844, 3081, 3120, 3160, 3396, 3555, 3679, 3792, 4108, 4245, 4528, 4680, 4740, 5094, 5135, 5660, 5688, 6162, 6320, 6792, 7110, 7358, 8216, 8490, 9243, 9360, 9480, 10188, 10270, 11037, 11320, 11376, 12324, 12735, 13584, 14220, 14716, 15405, 16432, 16980, 18395, 18486, 18960, 20376, 20540, 22074, 22357, 22640, 24648, 25470, 28440, 29432, 30810, 33111, 33960, 36790, 36972, 40752, 41080, 44148, 44714, 46215, 49296, 50940, 55185, 56880, 58864, 61620, 66222, 67071, 67920, 73580, 73944, 82160, 88296, 89428, 92430, 101880, 110370, 111785, 123240, 132444, 134142, 147160, 147888, 165555, 176592, 178856, 184860, 201213, 203760, 220740, 223570, 246480, 264888, 268284, 290641, 294320, 331110, 335355, 357712, 369720, 402426, 441480, 447140, 529776, 536568, 581282, 662220, 670710, 739440, 804852, 871923, 882960, 894280, 1006065, 1073136, 1162564, 1324440, 1341420, 1453205, 1609704, 1743846, 1788560, 2012130, 2325128, 2615769, 2648880, 2682840, 2906410, 3219408, 3487692, 4024260, 4359615, 4650256, 5231538, 5365680, 5812820, 6975384, 8048520, 8719230, 10463076, 11625640, 13078845, 13950768, 16097040, 17438460, 20926152, 23251280, 26157690, 34876920, 41852304, 52315380, 69753840, 104630760, 209261520]

約数ペア:

[(1, 209261520), (2, 104630760), (3, 69753840), (4, 52315380), (5, 41852304), (6, 34876920), (8, 26157690), (9, 23251280), (10, 20926152), (12, 17438460), (13, 16097040), (15, 13950768), (16, 13078845), (18, 11625640), (20, 10463076), (24, 8719230), (26, 8048520), (30, 6975384), (36, 5812820), (39, 5365680), (40, 5231538), (45, 4650256), (48, 4359615), (52, 4024260), (60, 3487692), (65, 3219408), (72, 2906410), (78, 2682840), (79, 2648880), (80, 2615769), (90, 2325128), (104, 2012130), (117, 1788560), (120, 1743846), (130, 1609704), (144, 1453205), (156, 1341420), (158, 1324440), (180, 1162564), (195, 1073136), (208, 1006065), (234, 894280), (237, 882960), (240, 871923), (260, 804852), (283, 739440), (312, 670710), (316, 662220), (360, 581282), (390, 536568), (395, 529776), (468, 447140), (474, 441480), (520, 402426), (566, 369720), (585, 357712), (624, 335355), (632, 331110), (711, 294320), (720, 290641), (780, 268284), (790, 264888), (849, 246480), (936, 223570), (948, 220740), (1027, 203760), (1040, 201213), (1132, 184860), (1170, 178856), (1185, 176592), (1264, 165555), (1415, 147888), (1422, 147160), (1560, 134142), (1580, 132444), (1698, 123240), (1872, 111785), (1896, 110370), (2054, 101880), (2264, 92430), (2340, 89428), (2370, 88296), (2547, 82160), (2830, 73944), (2844, 73580), (3081, 67920), (3120, 67071), (3160, 66222), (3396, 61620), (3555, 58864), (3679, 56880), (3792, 55185), (4108, 50940), (4245, 49296), (4528, 46215), (4680, 44714), (4740, 44148), (5094, 41080), (5135, 40752), (5660, 36972), (5688, 36790), (6162, 33960), (6320, 33111), (6792, 30810), (7110, 29432), (7358, 28440), (8216, 25470), (8490, 24648), (9243, 22640), (9360, 22357), (9480, 22074), (10188, 20540), (10270, 20376), (11037, 18960), (11320, 18486), (11376, 18395), (12324, 16980), (12735, 16432), (13584, 15405), (14220, 14716)]