20401500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:125

約数の個数: 192

約数和(自身を含む): 71285760

約数和(自身を除く): 50884260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 29, 30, 35, 42, 50, 58, 60, 67, 70, 75, 84, 87, 100, 105, 116, 125, 134, 140, 145, 150, 174, 175, 201, 203, 210, 250, 268, 290, 300, 335, 348, 350, 375, 402, 406, 420, 435, 469, 500, 525, 580, 609, 670, 700, 725, 750, 804, 812, 870, 875, 938, 1005, 1015, 1050, 1218, 1340, 1407, 1450, 1500, 1675, 1740, 1750, 1876, 1943, 2010, 2030, 2100, 2175, 2345, 2436, 2625, 2814, 2900, 3045, 3350, 3500, 3625, 3886, 4020, 4060, 4350, 4690, 5025, 5075, 5250, 5628, 5829, 6090, 6700, 7035, 7250, 7772, 8375, 8700, 9380, 9715, 10050, 10150, 10500, 10875, 11658, 11725, 12180, 13601, 14070, 14500, 15225, 16750, 19430, 20100, 20300, 21750, 23316, 23450, 25125, 25375, 27202, 28140, 29145, 30450, 33500, 35175, 38860, 40803, 43500, 46900, 48575, 50250, 50750, 54404, 58290, 58625, 60900, 68005, 70350, 76125, 81606, 97150, 100500, 101500, 116580, 117250, 136010, 140700, 145725, 152250, 163212, 175875, 194300, 204015, 234500, 242875, 272020, 291450, 304500, 340025, 351750, 408030, 485750, 582900, 680050, 703500, 728625, 816060, 971500, 1020075, 1360100, 1457250, 1700125, 2040150, 2914500, 3400250, 4080300, 5100375, 6800500, 10200750, 20401500]

約数ペア:

[(1, 20401500), (2, 10200750), (3, 6800500), (4, 5100375), (5, 4080300), (6, 3400250), (7, 2914500), (10, 2040150), (12, 1700125), (14, 1457250), (15, 1360100), (20, 1020075), (21, 971500), (25, 816060), (28, 728625), (29, 703500), (30, 680050), (35, 582900), (42, 485750), (50, 408030), (58, 351750), (60, 340025), (67, 304500), (70, 291450), (75, 272020), (84, 242875), (87, 234500), (100, 204015), (105, 194300), (116, 175875), (125, 163212), (134, 152250), (140, 145725), (145, 140700), (150, 136010), (174, 117250), (175, 116580), (201, 101500), (203, 100500), (210, 97150), (250, 81606), (268, 76125), (290, 70350), (300, 68005), (335, 60900), (348, 58625), (350, 58290), (375, 54404), (402, 50750), (406, 50250), (420, 48575), (435, 46900), (469, 43500), (500, 40803), (525, 38860), (580, 35175), (609, 33500), (670, 30450), (700, 29145), (725, 28140), (750, 27202), (804, 25375), (812, 25125), (870, 23450), (875, 23316), (938, 21750), (1005, 20300), (1015, 20100), (1050, 19430), (1218, 16750), (1340, 15225), (1407, 14500), (1450, 14070), (1500, 13601), (1675, 12180), (1740, 11725), (1750, 11658), (1876, 10875), (1943, 10500), (2010, 10150), (2030, 10050), (2100, 9715), (2175, 9380), (2345, 8700), (2436, 8375), (2625, 7772), (2814, 7250), (2900, 7035), (3045, 6700), (3350, 6090), (3500, 5829), (3625, 5628), (3886, 5250), (4020, 5075), (4060, 5025), (4350, 4690)]