639360

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{37}}^1$

素因数の和:65

約数の個数: 128

約数和(自身を含む): 2325600

約数和(自身を除く): 1686240

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, 270, 288, 296, 320, 333, 360, 370, 384, 432, 444, 480, 540, 555, 576, 592, 640, 666, 720, 740, 864, 888, 960, 999, 1080, 1110, 1152, 1184, 1332, 1440, 1480, 1665, 1728, 1776, 1920, 1998, 2160, 2220, 2368, 2664, 2880, 2960, 3330, 3456, 3552, 3996, 4320, 4440, 4736, 4995, 5328, 5760, 5920, 6660, 7104, 7992, 8640, 8880, 9990, 10656, 11840, 13320, 14208, 15984, 17280, 17760, 19980, 21312, 23680, 26640, 31968, 35520, 39960, 42624, 53280, 63936, 71040, 79920, 106560, 127872, 159840, 213120, 319680, 639360]

約数ペア:

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