31654680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:353

約数の個数: 128

約数和(自身を含む): 102643200

約数和(自身を除く): 70988520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 59, 60, 68, 85, 102, 118, 120, 136, 170, 177, 204, 236, 255, 263, 295, 340, 354, 408, 472, 510, 526, 590, 680, 708, 789, 885, 1003, 1020, 1052, 1180, 1315, 1416, 1578, 1770, 2006, 2040, 2104, 2360, 2630, 3009, 3156, 3540, 3945, 4012, 4471, 5015, 5260, 6018, 6312, 7080, 7890, 8024, 8942, 10030, 10520, 12036, 13413, 15045, 15517, 15780, 17884, 20060, 22355, 24072, 26826, 30090, 31034, 31560, 35768, 40120, 44710, 46551, 53652, 60180, 62068, 67065, 77585, 89420, 93102, 107304, 120360, 124136, 134130, 155170, 178840, 186204, 232755, 263789, 268260, 310340, 372408, 465510, 527578, 536520, 620680, 791367, 931020, 1055156, 1318945, 1582734, 1862040, 2110312, 2637890, 3165468, 3956835, 5275780, 6330936, 7913670, 10551560, 15827340, 31654680]

約数ペア:

[(1, 31654680), (2, 15827340), (3, 10551560), (4, 7913670), (5, 6330936), (6, 5275780), (8, 3956835), (10, 3165468), (12, 2637890), (15, 2110312), (17, 1862040), (20, 1582734), (24, 1318945), (30, 1055156), (34, 931020), (40, 791367), (51, 620680), (59, 536520), (60, 527578), (68, 465510), (85, 372408), (102, 310340), (118, 268260), (120, 263789), (136, 232755), (170, 186204), (177, 178840), (204, 155170), (236, 134130), (255, 124136), (263, 120360), (295, 107304), (340, 93102), (354, 89420), (408, 77585), (472, 67065), (510, 62068), (526, 60180), (590, 53652), (680, 46551), (708, 44710), (789, 40120), (885, 35768), (1003, 31560), (1020, 31034), (1052, 30090), (1180, 26826), (1315, 24072), (1416, 22355), (1578, 20060), (1770, 17884), (2006, 15780), (2040, 15517), (2104, 15045), (2360, 13413), (2630, 12036), (3009, 10520), (3156, 10030), (3540, 8942), (3945, 8024), (4012, 7890), (4471, 7080), (5015, 6312), (5260, 6018)]