81487200

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1787}}^1$

素因数の和:1829

約数の個数: 144

約数和(自身を含む): 279357120

約数和(自身を除く): 197869920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 25, 30, 32, 38, 40, 48, 50, 57, 60, 75, 76, 80, 95, 96, 100, 114, 120, 150, 152, 160, 190, 200, 228, 240, 285, 300, 304, 380, 400, 456, 475, 480, 570, 600, 608, 760, 800, 912, 950, 1140, 1200, 1425, 1520, 1787, 1824, 1900, 2280, 2400, 2850, 3040, 3574, 3800, 4560, 5361, 5700, 7148, 7600, 8935, 9120, 10722, 11400, 14296, 15200, 17870, 21444, 22800, 26805, 28592, 33953, 35740, 42888, 44675, 45600, 53610, 57184, 67906, 71480, 85776, 89350, 101859, 107220, 134025, 135812, 142960, 169765, 171552, 178700, 203718, 214440, 268050, 271624, 285920, 339530, 357400, 407436, 428880, 509295, 536100, 543248, 679060, 714800, 814872, 848825, 857760, 1018590, 1072200, 1086496, 1358120, 1429600, 1629744, 1697650, 2037180, 2144400, 2546475, 2716240, 3259488, 3395300, 4074360, 4288800, 5092950, 5432480, 6790600, 8148720, 10185900, 13581200, 16297440, 20371800, 27162400, 40743600, 81487200]

約数ペア:

[(1, 81487200), (2, 40743600), (3, 27162400), (4, 20371800), (5, 16297440), (6, 13581200), (8, 10185900), (10, 8148720), (12, 6790600), (15, 5432480), (16, 5092950), (19, 4288800), (20, 4074360), (24, 3395300), (25, 3259488), (30, 2716240), (32, 2546475), (38, 2144400), (40, 2037180), (48, 1697650), (50, 1629744), (57, 1429600), (60, 1358120), (75, 1086496), (76, 1072200), (80, 1018590), (95, 857760), (96, 848825), (100, 814872), (114, 714800), (120, 679060), (150, 543248), (152, 536100), (160, 509295), (190, 428880), (200, 407436), (228, 357400), (240, 339530), (285, 285920), (300, 271624), (304, 268050), (380, 214440), (400, 203718), (456, 178700), (475, 171552), (480, 169765), (570, 142960), (600, 135812), (608, 134025), (760, 107220), (800, 101859), (912, 89350), (950, 85776), (1140, 71480), (1200, 67906), (1425, 57184), (1520, 53610), (1787, 45600), (1824, 44675), (1900, 42888), (2280, 35740), (2400, 33953), (2850, 28592), (3040, 26805), (3574, 22800), (3800, 21444), (4560, 17870), (5361, 15200), (5700, 14296), (7148, 11400), (7600, 10722), (8935, 9120)]