31237440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2503}}^1$

素因数の和:2536

約数の個数: 112

約数和(自身を含む): 106850688

約数和(自身を除く): 75613248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 2503, 3120, 4160, 5006, 6240, 7509, 10012, 12480, 12515, 15018, 20024, 25030, 30036, 32539, 37545, 40048, 50060, 60072, 65078, 75090, 80096, 97617, 100120, 120144, 130156, 150180, 160192, 162695, 195234, 200240, 240288, 260312, 300360, 325390, 390468, 400480, 480576, 488085, 520624, 600720, 650780, 780936, 800960, 976170, 1041248, 1201440, 1301560, 1561872, 1952340, 2082496, 2402880, 2603120, 3123744, 3904680, 5206240, 6247488, 7809360, 10412480, 15618720, 31237440]

約数ペア:

[(1, 31237440), (2, 15618720), (3, 10412480), (4, 7809360), (5, 6247488), (6, 5206240), (8, 3904680), (10, 3123744), (12, 2603120), (13, 2402880), (15, 2082496), (16, 1952340), (20, 1561872), (24, 1301560), (26, 1201440), (30, 1041248), (32, 976170), (39, 800960), (40, 780936), (48, 650780), (52, 600720), (60, 520624), (64, 488085), (65, 480576), (78, 400480), (80, 390468), (96, 325390), (104, 300360), (120, 260312), (130, 240288), (156, 200240), (160, 195234), (192, 162695), (195, 160192), (208, 150180), (240, 130156), (260, 120144), (312, 100120), (320, 97617), (390, 80096), (416, 75090), (480, 65078), (520, 60072), (624, 50060), (780, 40048), (832, 37545), (960, 32539), (1040, 30036), (1248, 25030), (1560, 20024), (2080, 15018), (2496, 12515), (2503, 12480), (3120, 10012), (4160, 7509), (5006, 6240)]