67931640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{3851}}^1$

素因数の和:3882

約数の個数: 144

約数和(自身を含む): 256889880

約数和(自身を除く): 188958240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 3851, 4410, 5880, 7702, 8820, 11553, 15404, 17640, 19255, 23106, 26957, 30808, 34659, 38510, 46212, 53914, 57765, 69318, 77020, 80871, 92424, 107828, 115530, 134785, 138636, 154040, 161742, 173295, 188699, 215656, 231060, 242613, 269570, 277272, 323484, 346590, 377398, 404355, 462120, 485226, 539140, 566097, 646968, 693180, 754796, 808710, 943495, 970452, 1078280, 1132194, 1213065, 1386360, 1509592, 1617420, 1698291, 1886990, 1940904, 2264388, 2426130, 2830485, 3234840, 3396582, 3773980, 4528776, 4852260, 5660970, 6793164, 7547960, 8491455, 9704520, 11321940, 13586328, 16982910, 22643880, 33965820, 67931640]

約数ペア:

[(1, 67931640), (2, 33965820), (3, 22643880), (4, 16982910), (5, 13586328), (6, 11321940), (7, 9704520), (8, 8491455), (9, 7547960), (10, 6793164), (12, 5660970), (14, 4852260), (15, 4528776), (18, 3773980), (20, 3396582), (21, 3234840), (24, 2830485), (28, 2426130), (30, 2264388), (35, 1940904), (36, 1886990), (40, 1698291), (42, 1617420), (45, 1509592), (49, 1386360), (56, 1213065), (60, 1132194), (63, 1078280), (70, 970452), (72, 943495), (84, 808710), (90, 754796), (98, 693180), (105, 646968), (120, 566097), (126, 539140), (140, 485226), (147, 462120), (168, 404355), (180, 377398), (196, 346590), (210, 323484), (245, 277272), (252, 269570), (280, 242613), (294, 231060), (315, 215656), (360, 188699), (392, 173295), (420, 161742), (441, 154040), (490, 138636), (504, 134785), (588, 115530), (630, 107828), (735, 92424), (840, 80871), (882, 77020), (980, 69318), (1176, 57765), (1260, 53914), (1470, 46212), (1764, 38510), (1960, 34659), (2205, 30808), (2520, 26957), (2940, 23106), (3528, 19255), (3851, 17640), (4410, 15404), (5880, 11553), (7702, 8820)]