31871400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{439}}^1$

素因数の和:480

約数の個数: 144

約数和(自身を含む): 108847200

約数和(自身を除く): 76975800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 25, 30, 33, 40, 44, 50, 55, 60, 66, 75, 88, 100, 110, 120, 121, 132, 150, 165, 200, 220, 242, 264, 275, 300, 330, 363, 439, 440, 484, 550, 600, 605, 660, 726, 825, 878, 968, 1100, 1210, 1317, 1320, 1452, 1650, 1756, 1815, 2195, 2200, 2420, 2634, 2904, 3025, 3300, 3512, 3630, 4390, 4829, 4840, 5268, 6050, 6585, 6600, 7260, 8780, 9075, 9658, 10536, 10975, 12100, 13170, 14487, 14520, 17560, 18150, 19316, 21950, 24145, 24200, 26340, 28974, 32925, 36300, 38632, 43900, 48290, 52680, 53119, 57948, 65850, 72435, 72600, 87800, 96580, 106238, 115896, 120725, 131700, 144870, 159357, 193160, 212476, 241450, 263400, 265595, 289740, 318714, 362175, 424952, 482900, 531190, 579480, 637428, 724350, 796785, 965800, 1062380, 1274856, 1327975, 1448700, 1593570, 2124760, 2655950, 2897400, 3187140, 3983925, 5311900, 6374280, 7967850, 10623800, 15935700, 31871400]

約数ペア:

[(1, 31871400), (2, 15935700), (3, 10623800), (4, 7967850), (5, 6374280), (6, 5311900), (8, 3983925), (10, 3187140), (11, 2897400), (12, 2655950), (15, 2124760), (20, 1593570), (22, 1448700), (24, 1327975), (25, 1274856), (30, 1062380), (33, 965800), (40, 796785), (44, 724350), (50, 637428), (55, 579480), (60, 531190), (66, 482900), (75, 424952), (88, 362175), (100, 318714), (110, 289740), (120, 265595), (121, 263400), (132, 241450), (150, 212476), (165, 193160), (200, 159357), (220, 144870), (242, 131700), (264, 120725), (275, 115896), (300, 106238), (330, 96580), (363, 87800), (439, 72600), (440, 72435), (484, 65850), (550, 57948), (600, 53119), (605, 52680), (660, 48290), (726, 43900), (825, 38632), (878, 36300), (968, 32925), (1100, 28974), (1210, 26340), (1317, 24200), (1320, 24145), (1452, 21950), (1650, 19316), (1756, 18150), (1815, 17560), (2195, 14520), (2200, 14487), (2420, 13170), (2634, 12100), (2904, 10975), (3025, 10536), (3300, 9658), (3512, 9075), (3630, 8780), (4390, 7260), (4829, 6600), (4840, 6585), (5268, 6050)]