1988379120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{503}}^1$

素因数の和:720

約数の個数: 320

約数和(自身を含む): 7643510784

約数和(自身を除く): 5655131664

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 181, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 362, 364, 390, 420, 455, 503, 520, 543, 546, 560, 624, 724, 728, 780, 840, 905, 910, 1006, 1040, 1086, 1092, 1267, 1365, 1448, 1456, 1509, 1560, 1680, 1810, 1820, 2012, 2172, 2184, 2353, 2515, 2534, 2715, 2730, 2896, 3018, 3120, 3521, 3620, 3640, 3801, 4024, 4344, 4368, 4706, 5030, 5068, 5430, 5460, 6036, 6335, 6539, 7042, 7059, 7240, 7280, 7545, 7602, 8048, 8688, 9412, 10060, 10136, 10563, 10860, 10920, 11765, 12072, 12670, 13078, 14084, 14118, 14480, 15090, 15204, 16471, 17605, 18824, 19005, 19617, 20120, 20272, 21126, 21720, 21840, 23530, 24144, 25340, 26156, 28168, 28236, 30180, 30408, 32695, 32942, 35210, 35295, 37648, 38010, 39234, 40240, 42252, 43440, 45773, 47060, 49413, 50680, 52312, 52815, 56336, 56472, 60360, 60816, 65390, 65884, 70420, 70590, 76020, 78468, 82355, 84504, 91043, 91546, 94120, 98085, 98826, 101360, 104624, 105630, 112944, 120720, 130780, 131768, 137319, 140840, 141180, 152040, 156936, 164710, 169008, 182086, 183092, 188240, 196170, 197652, 211260, 228865, 247065, 261560, 263536, 273129, 274638, 281680, 282360, 304080, 313872, 329420, 364172, 366184, 392340, 395304, 422520, 455215, 457730, 494130, 523120, 546258, 549276, 564720, 637301, 658840, 686595, 728344, 732368, 784680, 790608, 845040, 910430, 915460, 988260, 1092516, 1098552, 1183559, 1274602, 1317680, 1365645, 1373190, 1456688, 1569360, 1820860, 1830920, 1911903, 1976520, 2185032, 2197104, 2367118, 2549204, 2731290, 2746380, 3186505, 3550677, 3641720, 3661840, 3823806, 3953040, 4370064, 4734236, 5098408, 5462580, 5492760, 5917795, 6373010, 7101354, 7283440, 7647612, 8284913, 9468472, 9559515, 10196816, 10925160, 10985520, 11835590, 12746020, 14202708, 15295224, 16569826, 17753385, 18936944, 19119030, 21850320, 23671180, 24854739, 25492040, 28405416, 30590448, 33139652, 35506770, 38238060, 41424565, 47342360, 49709478, 50984080, 56810832, 66279304, 71013540, 76476120, 82849130, 94684720, 99418956, 124273695, 132558608, 142027080, 152952240, 165698260, 198837912, 248547390, 284054160, 331396520, 397675824, 497094780, 662793040, 994189560, 1988379120]

約数ペア:

[(1, 1988379120), (2, 994189560), (3, 662793040), (4, 497094780), (5, 397675824), (6, 331396520), (7, 284054160), (8, 248547390), (10, 198837912), (12, 165698260), (13, 152952240), (14, 142027080), (15, 132558608), (16, 124273695), (20, 99418956), (21, 94684720), (24, 82849130), (26, 76476120), (28, 71013540), (30, 66279304), (35, 56810832), (39, 50984080), (40, 49709478), (42, 47342360), (48, 41424565), (52, 38238060), (56, 35506770), (60, 33139652), (65, 30590448), (70, 28405416), (78, 25492040), (80, 24854739), (84, 23671180), (91, 21850320), (104, 19119030), (105, 18936944), (112, 17753385), (120, 16569826), (130, 15295224), (140, 14202708), (156, 12746020), (168, 11835590), (181, 10985520), (182, 10925160), (195, 10196816), (208, 9559515), (210, 9468472), (240, 8284913), (260, 7647612), (273, 7283440), (280, 7101354), (312, 6373010), (336, 5917795), (362, 5492760), (364, 5462580), (390, 5098408), (420, 4734236), (455, 4370064), (503, 3953040), (520, 3823806), (543, 3661840), (546, 3641720), (560, 3550677), (624, 3186505), (724, 2746380), (728, 2731290), (780, 2549204), (840, 2367118), (905, 2197104), (910, 2185032), (1006, 1976520), (1040, 1911903), (1086, 1830920), (1092, 1820860), (1267, 1569360), (1365, 1456688), (1448, 1373190), (1456, 1365645), (1509, 1317680), (1560, 1274602), (1680, 1183559), (1810, 1098552), (1820, 1092516), (2012, 988260), (2172, 915460), (2184, 910430), (2353, 845040), (2515, 790608), (2534, 784680), (2715, 732368), (2730, 728344), (2896, 686595), (3018, 658840), (3120, 637301), (3521, 564720), (3620, 549276), (3640, 546258), (3801, 523120), (4024, 494130), (4344, 457730), (4368, 455215), (4706, 422520), (5030, 395304), (5068, 392340), (5430, 366184), (5460, 364172), (6036, 329420), (6335, 313872), (6539, 304080), (7042, 282360), (7059, 281680), (7240, 274638), (7280, 273129), (7545, 263536), (7602, 261560), (8048, 247065), (8688, 228865), (9412, 211260), (10060, 197652), (10136, 196170), (10563, 188240), (10860, 183092), (10920, 182086), (11765, 169008), (12072, 164710), (12670, 156936), (13078, 152040), (14084, 141180), (14118, 140840), (14480, 137319), (15090, 131768), (15204, 130780), (16471, 120720), (17605, 112944), (18824, 105630), (19005, 104624), (19617, 101360), (20120, 98826), (20272, 98085), (21126, 94120), (21720, 91546), (21840, 91043), (23530, 84504), (24144, 82355), (25340, 78468), (26156, 76020), (28168, 70590), (28236, 70420), (30180, 65884), (30408, 65390), (32695, 60816), (32942, 60360), (35210, 56472), (35295, 56336), (37648, 52815), (38010, 52312), (39234, 50680), (40240, 49413), (42252, 47060), (43440, 45773)]