1215620640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64937}}^1$

素因数の和:64971

約数の個数: 144

約数和(自身を含む): 4467474648

約数和(自身を除く): 3251854008

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 18720, 64937, 129874, 194811, 259748, 324685, 389622, 519496, 584433, 649370, 779244, 844181, 974055, 1038992, 1168866, 1298740, 1558488, 1688362, 1948110, 2077984, 2337732, 2532543, 2597480, 2922165, 3116976, 3376724, 3896220, 4220905, 4675464, 5065086, 5194960, 5844330, 6233952, 6753448, 7597629, 7792440, 8441810, 9350928, 10130172, 10389920, 11688660, 12662715, 13506896, 15195258, 15584880, 16883620, 18701856, 20260344, 23377320, 25325430, 27013792, 30390516, 31169760, 33767240, 37988145, 40520688, 46754640, 50650860, 60781032, 67534480, 75976290, 81041376, 93509280, 101301720, 121562064, 135068960, 151952580, 202603440, 243124128, 303905160, 405206880, 607810320, 1215620640]

約数ペア:

[(1, 1215620640), (2, 607810320), (3, 405206880), (4, 303905160), (5, 243124128), (6, 202603440), (8, 151952580), (9, 135068960), (10, 121562064), (12, 101301720), (13, 93509280), (15, 81041376), (16, 75976290), (18, 67534480), (20, 60781032), (24, 50650860), (26, 46754640), (30, 40520688), (32, 37988145), (36, 33767240), (39, 31169760), (40, 30390516), (45, 27013792), (48, 25325430), (52, 23377320), (60, 20260344), (65, 18701856), (72, 16883620), (78, 15584880), (80, 15195258), (90, 13506896), (96, 12662715), (104, 11688660), (117, 10389920), (120, 10130172), (130, 9350928), (144, 8441810), (156, 7792440), (160, 7597629), (180, 6753448), (195, 6233952), (208, 5844330), (234, 5194960), (240, 5065086), (260, 4675464), (288, 4220905), (312, 3896220), (360, 3376724), (390, 3116976), (416, 2922165), (468, 2597480), (480, 2532543), (520, 2337732), (585, 2077984), (624, 1948110), (720, 1688362), (780, 1558488), (936, 1298740), (1040, 1168866), (1170, 1038992), (1248, 974055), (1440, 844181), (1560, 779244), (1872, 649370), (2080, 584433), (2340, 519496), (3120, 389622), (3744, 324685), (4680, 259748), (6240, 194811), (9360, 129874), (18720, 64937)]