31439520

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{3119}}^1$

素因数の和:3147

約数の個数: 144

約数和(自身を含む): 122653440

約数和(自身を除く): 91213920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3119, 3360, 5040, 6238, 9357, 10080, 12476, 15595, 18714, 21833, 24952, 28071, 31190, 37428, 43666, 46785, 49904, 56142, 62380, 65499, 74856, 87332, 93570, 99808, 109165, 112284, 124760, 130998, 140355, 149712, 174664, 187140, 196497, 218330, 224568, 249520, 261996, 280710, 299424, 327495, 349328, 374280, 392994, 436660, 449136, 499040, 523992, 561420, 654990, 698656, 748560, 785988, 873320, 898272, 982485, 1047984, 1122840, 1309980, 1497120, 1571976, 1746640, 1964970, 2095968, 2245680, 2619960, 3143952, 3493280, 3929940, 4491360, 5239920, 6287904, 7859880, 10479840, 15719760, 31439520]

約数ペア:

[(1, 31439520), (2, 15719760), (3, 10479840), (4, 7859880), (5, 6287904), (6, 5239920), (7, 4491360), (8, 3929940), (9, 3493280), (10, 3143952), (12, 2619960), (14, 2245680), (15, 2095968), (16, 1964970), (18, 1746640), (20, 1571976), (21, 1497120), (24, 1309980), (28, 1122840), (30, 1047984), (32, 982485), (35, 898272), (36, 873320), (40, 785988), (42, 748560), (45, 698656), (48, 654990), (56, 561420), (60, 523992), (63, 499040), (70, 449136), (72, 436660), (80, 392994), (84, 374280), (90, 349328), (96, 327495), (105, 299424), (112, 280710), (120, 261996), (126, 249520), (140, 224568), (144, 218330), (160, 196497), (168, 187140), (180, 174664), (210, 149712), (224, 140355), (240, 130998), (252, 124760), (280, 112284), (288, 109165), (315, 99808), (336, 93570), (360, 87332), (420, 74856), (480, 65499), (504, 62380), (560, 56142), (630, 49904), (672, 46785), (720, 43666), (840, 37428), (1008, 31190), (1120, 28071), (1260, 24952), (1440, 21833), (1680, 18714), (2016, 15595), (2520, 12476), (3119, 10080), (3360, 9357), (5040, 6238)]