2557440

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{37}}^1$

素因数の和:69

約数の個数: 160

約数和(自身を含む): 9329760

約数和(自身を除く): 6772320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 64, 72, 74, 80, 90, 96, 108, 111, 120, 128, 135, 144, 148, 160, 180, 185, 192, 216, 222, 240, 256, 270, 288, 296, 320, 333, 360, 370, 384, 432, 444, 480, 512, 540, 555, 576, 592, 640, 666, 720, 740, 768, 864, 888, 960, 999, 1080, 1110, 1152, 1184, 1280, 1332, 1440, 1480, 1536, 1665, 1728, 1776, 1920, 1998, 2160, 2220, 2304, 2368, 2560, 2664, 2880, 2960, 3330, 3456, 3552, 3840, 3996, 4320, 4440, 4608, 4736, 4995, 5328, 5760, 5920, 6660, 6912, 7104, 7680, 7992, 8640, 8880, 9472, 9990, 10656, 11520, 11840, 13320, 13824, 14208, 15984, 17280, 17760, 18944, 19980, 21312, 23040, 23680, 26640, 28416, 31968, 34560, 35520, 39960, 42624, 47360, 53280, 56832, 63936, 69120, 71040, 79920, 85248, 94720, 106560, 127872, 142080, 159840, 170496, 213120, 255744, 284160, 319680, 426240, 511488, 639360, 852480, 1278720, 2557440]

約数ペア:

[(1, 2557440), (2, 1278720), (3, 852480), (4, 639360), (5, 511488), (6, 426240), (8, 319680), (9, 284160), (10, 255744), (12, 213120), (15, 170496), (16, 159840), (18, 142080), (20, 127872), (24, 106560), (27, 94720), (30, 85248), (32, 79920), (36, 71040), (37, 69120), (40, 63936), (45, 56832), (48, 53280), (54, 47360), (60, 42624), (64, 39960), (72, 35520), (74, 34560), (80, 31968), (90, 28416), (96, 26640), (108, 23680), (111, 23040), (120, 21312), (128, 19980), (135, 18944), (144, 17760), (148, 17280), (160, 15984), (180, 14208), (185, 13824), (192, 13320), (216, 11840), (222, 11520), (240, 10656), (256, 9990), (270, 9472), (288, 8880), (296, 8640), (320, 7992), (333, 7680), (360, 7104), (370, 6912), (384, 6660), (432, 5920), (444, 5760), (480, 5328), (512, 4995), (540, 4736), (555, 4608), (576, 4440), (592, 4320), (640, 3996), (666, 3840), (720, 3552), (740, 3456), (768, 3330), (864, 2960), (888, 2880), (960, 2664), (999, 2560), (1080, 2368), (1110, 2304), (1152, 2220), (1184, 2160), (1280, 1998), (1332, 1920), (1440, 1776), (1480, 1728), (1536, 1665)]