15749760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1$

素因数の和:666

約数の個数: 128

約数和(自身を含む): 54149760

約数和(自身を除く): 38400000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 631, 640, 780, 832, 960, 1040, 1248, 1262, 1560, 1664, 1893, 1920, 2080, 2496, 2524, 3120, 3155, 3786, 4160, 4992, 5048, 6240, 6310, 7572, 8203, 8320, 9465, 10096, 12480, 12620, 15144, 16406, 18930, 20192, 24609, 24960, 25240, 30288, 32812, 37860, 40384, 41015, 49218, 50480, 60576, 65624, 75720, 80768, 82030, 98436, 100960, 121152, 123045, 131248, 151440, 164060, 196872, 201920, 242304, 246090, 262496, 302880, 328120, 393744, 403840, 492180, 524992, 605760, 656240, 787488, 984360, 1049984, 1211520, 1312480, 1574976, 1968720, 2624960, 3149952, 3937440, 5249920, 7874880, 15749760]

約数ペア:

[(1, 15749760), (2, 7874880), (3, 5249920), (4, 3937440), (5, 3149952), (6, 2624960), (8, 1968720), (10, 1574976), (12, 1312480), (13, 1211520), (15, 1049984), (16, 984360), (20, 787488), (24, 656240), (26, 605760), (30, 524992), (32, 492180), (39, 403840), (40, 393744), (48, 328120), (52, 302880), (60, 262496), (64, 246090), (65, 242304), (78, 201920), (80, 196872), (96, 164060), (104, 151440), (120, 131248), (128, 123045), (130, 121152), (156, 100960), (160, 98436), (192, 82030), (195, 80768), (208, 75720), (240, 65624), (260, 60576), (312, 50480), (320, 49218), (384, 41015), (390, 40384), (416, 37860), (480, 32812), (520, 30288), (624, 25240), (631, 24960), (640, 24609), (780, 20192), (832, 18930), (960, 16406), (1040, 15144), (1248, 12620), (1262, 12480), (1560, 10096), (1664, 9465), (1893, 8320), (1920, 8203), (2080, 7572), (2496, 6310), (2524, 6240), (3120, 5048), (3155, 4992), (3786, 4160)]