31433760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:367

約数の個数: 144

約数和(自身を含む): 108972864

約数和(自身を除く): 77539104

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 83, 90, 96, 120, 144, 160, 166, 180, 240, 249, 263, 288, 332, 360, 415, 480, 498, 526, 664, 720, 747, 789, 830, 996, 1052, 1245, 1315, 1328, 1440, 1494, 1578, 1660, 1992, 2104, 2367, 2490, 2630, 2656, 2988, 3156, 3320, 3735, 3945, 3984, 4208, 4734, 4980, 5260, 5976, 6312, 6640, 7470, 7890, 7968, 8416, 9468, 9960, 10520, 11835, 11952, 12624, 13280, 14940, 15780, 18936, 19920, 21040, 21829, 23670, 23904, 25248, 29880, 31560, 37872, 39840, 42080, 43658, 47340, 59760, 63120, 65487, 75744, 87316, 94680, 109145, 119520, 126240, 130974, 174632, 189360, 196461, 218290, 261948, 327435, 349264, 378720, 392922, 436580, 523896, 654870, 698528, 785844, 873160, 982305, 1047792, 1309740, 1571688, 1746320, 1964610, 2095584, 2619480, 3143376, 3492640, 3929220, 5238960, 6286752, 7858440, 10477920, 15716880, 31433760]

約数ペア:

[(1, 31433760), (2, 15716880), (3, 10477920), (4, 7858440), (5, 6286752), (6, 5238960), (8, 3929220), (9, 3492640), (10, 3143376), (12, 2619480), (15, 2095584), (16, 1964610), (18, 1746320), (20, 1571688), (24, 1309740), (30, 1047792), (32, 982305), (36, 873160), (40, 785844), (45, 698528), (48, 654870), (60, 523896), (72, 436580), (80, 392922), (83, 378720), (90, 349264), (96, 327435), (120, 261948), (144, 218290), (160, 196461), (166, 189360), (180, 174632), (240, 130974), (249, 126240), (263, 119520), (288, 109145), (332, 94680), (360, 87316), (415, 75744), (480, 65487), (498, 63120), (526, 59760), (664, 47340), (720, 43658), (747, 42080), (789, 39840), (830, 37872), (996, 31560), (1052, 29880), (1245, 25248), (1315, 23904), (1328, 23670), (1440, 21829), (1494, 21040), (1578, 19920), (1660, 18936), (1992, 15780), (2104, 14940), (2367, 13280), (2490, 12624), (2630, 11952), (2656, 11835), (2988, 10520), (3156, 9960), (3320, 9468), (3735, 8416), (3945, 7968), (3984, 7890), (4208, 7470), (4734, 6640), (4980, 6312), (5260, 5976)]