211487640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:322

約数の個数: 256

約数和(自身を含む): 792529920

約数和(自身を除く): 581042280

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, 84, 91, 104, 105, 107, 120, 130, 140, 156, 168, 181, 182, 195, 210, 214, 260, 273, 280, 312, 321, 362, 364, 390, 420, 428, 455, 520, 535, 543, 546, 642, 724, 728, 749, 780, 840, 856, 905, 910, 1070, 1086, 1092, 1267, 1284, 1365, 1391, 1448, 1498, 1560, 1605, 1810, 1820, 2140, 2172, 2184, 2247, 2353, 2534, 2568, 2715, 2730, 2782, 2996, 3210, 3620, 3640, 3745, 3801, 4173, 4280, 4344, 4494, 4706, 5068, 5430, 5460, 5564, 5992, 6335, 6420, 6955, 7059, 7240, 7490, 7602, 8346, 8988, 9412, 9737, 10136, 10860, 10920, 11128, 11235, 11765, 12670, 12840, 13910, 14118, 14980, 15204, 16471, 16692, 17976, 18824, 19005, 19367, 19474, 20865, 21720, 22470, 23530, 25340, 27820, 28236, 29211, 29960, 30408, 32942, 33384, 35295, 38010, 38734, 38948, 41730, 44940, 47060, 48685, 49413, 50680, 55640, 56472, 58101, 58422, 65884, 70590, 76020, 77468, 77896, 82355, 83460, 89880, 94120, 96835, 97370, 98826, 116202, 116844, 131768, 135569, 141180, 146055, 152040, 154936, 164710, 166920, 193670, 194740, 197652, 232404, 233688, 247065, 251771, 271138, 282360, 290505, 292110, 329420, 387340, 389480, 395304, 406707, 464808, 494130, 503542, 542276, 581010, 584220, 658840, 677845, 755313, 774680, 813414, 988260, 1007084, 1084552, 1162020, 1168440, 1258855, 1355690, 1510626, 1626828, 1762397, 1976520, 2014168, 2033535, 2324040, 2517710, 2711380, 3021252, 3253656, 3524794, 3776565, 4067070, 5035420, 5287191, 5422760, 6042504, 7049588, 7553130, 8134140, 8811985, 10070840, 10574382, 14099176, 15106260, 16268280, 17623970, 21148764, 26435955, 30212520, 35247940, 42297528, 52871910, 70495880, 105743820, 211487640]

約数ペア:

[(1, 211487640), (2, 105743820), (3, 70495880), (4, 52871910), (5, 42297528), (6, 35247940), (7, 30212520), (8, 26435955), (10, 21148764), (12, 17623970), (13, 16268280), (14, 15106260), (15, 14099176), (20, 10574382), (21, 10070840), (24, 8811985), (26, 8134140), (28, 7553130), (30, 7049588), (35, 6042504), (39, 5422760), (40, 5287191), (42, 5035420), (52, 4067070), (56, 3776565), (60, 3524794), (65, 3253656), (70, 3021252), (78, 2711380), (84, 2517710), (91, 2324040), (104, 2033535), (105, 2014168), (107, 1976520), (120, 1762397), (130, 1626828), (140, 1510626), (156, 1355690), (168, 1258855), (181, 1168440), (182, 1162020), (195, 1084552), (210, 1007084), (214, 988260), (260, 813414), (273, 774680), (280, 755313), (312, 677845), (321, 658840), (362, 584220), (364, 581010), (390, 542276), (420, 503542), (428, 494130), (455, 464808), (520, 406707), (535, 395304), (543, 389480), (546, 387340), (642, 329420), (724, 292110), (728, 290505), (749, 282360), (780, 271138), (840, 251771), (856, 247065), (905, 233688), (910, 232404), (1070, 197652), (1086, 194740), (1092, 193670), (1267, 166920), (1284, 164710), (1365, 154936), (1391, 152040), (1448, 146055), (1498, 141180), (1560, 135569), (1605, 131768), (1810, 116844), (1820, 116202), (2140, 98826), (2172, 97370), (2184, 96835), (2247, 94120), (2353, 89880), (2534, 83460), (2568, 82355), (2715, 77896), (2730, 77468), (2782, 76020), (2996, 70590), (3210, 65884), (3620, 58422), (3640, 58101), (3745, 56472), (3801, 55640), (4173, 50680), (4280, 49413), (4344, 48685), (4494, 47060), (4706, 44940), (5068, 41730), (5430, 38948), (5460, 38734), (5564, 38010), (5992, 35295), (6335, 33384), (6420, 32942), (6955, 30408), (7059, 29960), (7240, 29211), (7490, 28236), (7602, 27820), (8346, 25340), (8988, 23530), (9412, 22470), (9737, 21720), (10136, 20865), (10860, 19474), (10920, 19367), (11128, 19005), (11235, 18824), (11765, 17976), (12670, 16692), (12840, 16471), (13910, 15204), (14118, 14980)]