257896080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{467}}^1$

素因数の和:558

約数の個数: 240

約数和(自身を含む): 950564160

約数和(自身を除く): 692668080

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, 59, 60, 65, 72, 78, 80, 90, 104, 117, 118, 120, 130, 144, 156, 177, 180, 195, 208, 234, 236, 240, 260, 295, 312, 354, 360, 390, 467, 468, 472, 520, 531, 585, 590, 624, 708, 720, 767, 780, 885, 934, 936, 944, 1040, 1062, 1170, 1180, 1401, 1416, 1534, 1560, 1770, 1868, 1872, 2124, 2301, 2335, 2340, 2360, 2655, 2802, 2832, 3068, 3120, 3540, 3736, 3835, 4203, 4248, 4602, 4670, 4680, 4720, 5310, 5604, 6071, 6136, 6903, 7005, 7080, 7472, 7670, 8406, 8496, 9204, 9340, 9360, 10620, 11208, 11505, 12142, 12272, 13806, 14010, 14160, 15340, 16812, 18213, 18408, 18680, 21015, 21240, 22416, 23010, 24284, 27553, 27612, 28020, 30355, 30680, 33624, 34515, 36426, 36816, 37360, 42030, 42480, 46020, 48568, 54639, 55106, 55224, 56040, 60710, 61360, 67248, 69030, 72852, 82659, 84060, 91065, 92040, 97136, 109278, 110212, 110448, 112080, 121420, 137765, 138060, 145704, 165318, 168120, 182130, 184080, 218556, 220424, 242840, 247977, 273195, 275530, 276120, 291408, 330636, 336240, 358189, 364260, 413295, 437112, 440848, 485680, 495954, 546390, 551060, 552240, 661272, 716378, 728520, 826590, 874224, 991908, 1074567, 1092780, 1102120, 1239885, 1322544, 1432756, 1457040, 1653180, 1790945, 1983816, 2149134, 2185560, 2204240, 2479770, 2865512, 3223701, 3306360, 3581890, 3967632, 4298268, 4371120, 4959540, 5372835, 5731024, 6447402, 6612720, 7163780, 8596536, 9919080, 10745670, 12894804, 14327560, 16118505, 17193072, 19838160, 21491340, 25789608, 28655120, 32237010, 42982680, 51579216, 64474020, 85965360, 128948040, 257896080]

約数ペア:

[(1, 257896080), (2, 128948040), (3, 85965360), (4, 64474020), (5, 51579216), (6, 42982680), (8, 32237010), (9, 28655120), (10, 25789608), (12, 21491340), (13, 19838160), (15, 17193072), (16, 16118505), (18, 14327560), (20, 12894804), (24, 10745670), (26, 9919080), (30, 8596536), (36, 7163780), (39, 6612720), (40, 6447402), (45, 5731024), (48, 5372835), (52, 4959540), (59, 4371120), (60, 4298268), (65, 3967632), (72, 3581890), (78, 3306360), (80, 3223701), (90, 2865512), (104, 2479770), (117, 2204240), (118, 2185560), (120, 2149134), (130, 1983816), (144, 1790945), (156, 1653180), (177, 1457040), (180, 1432756), (195, 1322544), (208, 1239885), (234, 1102120), (236, 1092780), (240, 1074567), (260, 991908), (295, 874224), (312, 826590), (354, 728520), (360, 716378), (390, 661272), (467, 552240), (468, 551060), (472, 546390), (520, 495954), (531, 485680), (585, 440848), (590, 437112), (624, 413295), (708, 364260), (720, 358189), (767, 336240), (780, 330636), (885, 291408), (934, 276120), (936, 275530), (944, 273195), (1040, 247977), (1062, 242840), (1170, 220424), (1180, 218556), (1401, 184080), (1416, 182130), (1534, 168120), (1560, 165318), (1770, 145704), (1868, 138060), (1872, 137765), (2124, 121420), (2301, 112080), (2335, 110448), (2340, 110212), (2360, 109278), (2655, 97136), (2802, 92040), (2832, 91065), (3068, 84060), (3120, 82659), (3540, 72852), (3736, 69030), (3835, 67248), (4203, 61360), (4248, 60710), (4602, 56040), (4670, 55224), (4680, 55106), (4720, 54639), (5310, 48568), (5604, 46020), (6071, 42480), (6136, 42030), (6903, 37360), (7005, 36816), (7080, 36426), (7472, 34515), (7670, 33624), (8406, 30680), (8496, 30355), (9204, 28020), (9340, 27612), (9360, 27553), (10620, 24284), (11208, 23010), (11505, 22416), (12142, 21240), (12272, 21015), (13806, 18680), (14010, 18408), (14160, 18213), (15340, 16812)]