118920000

素因数分解:

$2^6\times 3^1\times 5^4\times {\mathrm{991}}^1$

素因数の和:1026

約数の個数: 140

約数和(自身を含む): 393574016

約数和(自身を除く): 274654016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 125, 150, 160, 192, 200, 240, 250, 300, 320, 375, 400, 480, 500, 600, 625, 750, 800, 960, 991, 1000, 1200, 1250, 1500, 1600, 1875, 1982, 2000, 2400, 2500, 2973, 3000, 3750, 3964, 4000, 4800, 4955, 5000, 5946, 6000, 7500, 7928, 8000, 9910, 10000, 11892, 12000, 14865, 15000, 15856, 19820, 20000, 23784, 24000, 24775, 29730, 30000, 31712, 39640, 40000, 47568, 49550, 59460, 60000, 63424, 74325, 79280, 95136, 99100, 118920, 120000, 123875, 148650, 158560, 190272, 198200, 237840, 247750, 297300, 317120, 371625, 396400, 475680, 495500, 594600, 619375, 743250, 792800, 951360, 991000, 1189200, 1238750, 1486500, 1585600, 1858125, 1982000, 2378400, 2477500, 2973000, 3716250, 3964000, 4756800, 4955000, 5946000, 7432500, 7928000, 9910000, 11892000, 14865000, 19820000, 23784000, 29730000, 39640000, 59460000, 118920000]

約数ペア:

[(1, 118920000), (2, 59460000), (3, 39640000), (4, 29730000), (5, 23784000), (6, 19820000), (8, 14865000), (10, 11892000), (12, 9910000), (15, 7928000), (16, 7432500), (20, 5946000), (24, 4955000), (25, 4756800), (30, 3964000), (32, 3716250), (40, 2973000), (48, 2477500), (50, 2378400), (60, 1982000), (64, 1858125), (75, 1585600), (80, 1486500), (96, 1238750), (100, 1189200), (120, 991000), (125, 951360), (150, 792800), (160, 743250), (192, 619375), (200, 594600), (240, 495500), (250, 475680), (300, 396400), (320, 371625), (375, 317120), (400, 297300), (480, 247750), (500, 237840), (600, 198200), (625, 190272), (750, 158560), (800, 148650), (960, 123875), (991, 120000), (1000, 118920), (1200, 99100), (1250, 95136), (1500, 79280), (1600, 74325), (1875, 63424), (1982, 60000), (2000, 59460), (2400, 49550), (2500, 47568), (2973, 40000), (3000, 39640), (3750, 31712), (3964, 30000), (4000, 29730), (4800, 24775), (4955, 24000), (5000, 23784), (5946, 20000), (6000, 19820), (7500, 15856), (7928, 15000), (8000, 14865), (9910, 12000), (10000, 11892)]