31500420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{419}}^1$

素因数の和:617

約数の個数: 96

約数和(自身を含む): 101606400

約数和(自身を除く): 70105980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 179, 210, 358, 419, 420, 537, 716, 838, 895, 1074, 1253, 1257, 1676, 1790, 2095, 2148, 2506, 2514, 2685, 2933, 3580, 3759, 4190, 5012, 5028, 5370, 5866, 6265, 6285, 7518, 8380, 8799, 10740, 11732, 12530, 12570, 14665, 15036, 17598, 18795, 25060, 25140, 29330, 35196, 37590, 43995, 58660, 75001, 75180, 87990, 150002, 175980, 225003, 300004, 375005, 450006, 525007, 750010, 900012, 1050014, 1125015, 1500020, 1575021, 2100028, 2250030, 2625035, 3150042, 4500060, 5250070, 6300084, 7875105, 10500140, 15750210, 31500420]

約数ペア:

[(1, 31500420), (2, 15750210), (3, 10500140), (4, 7875105), (5, 6300084), (6, 5250070), (7, 4500060), (10, 3150042), (12, 2625035), (14, 2250030), (15, 2100028), (20, 1575021), (21, 1500020), (28, 1125015), (30, 1050014), (35, 900012), (42, 750010), (60, 525007), (70, 450006), (84, 375005), (105, 300004), (140, 225003), (179, 175980), (210, 150002), (358, 87990), (419, 75180), (420, 75001), (537, 58660), (716, 43995), (838, 37590), (895, 35196), (1074, 29330), (1253, 25140), (1257, 25060), (1676, 18795), (1790, 17598), (2095, 15036), (2148, 14665), (2506, 12570), (2514, 12530), (2685, 11732), (2933, 10740), (3580, 8799), (3759, 8380), (4190, 7518), (5012, 6285), (5028, 6265), (5370, 5866)]