1989120

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1$

素因数の和:70

約数の個数: 160

約数和(自身を含む): 7463808

約数和(自身を除く): 5474688

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 37, 40, 42, 48, 56, 60, 64, 70, 74, 80, 84, 96, 105, 111, 112, 120, 128, 140, 148, 160, 168, 185, 192, 210, 222, 224, 240, 256, 259, 280, 296, 320, 336, 370, 384, 420, 444, 448, 480, 512, 518, 555, 560, 592, 640, 672, 740, 768, 777, 840, 888, 896, 960, 1036, 1110, 1120, 1184, 1280, 1295, 1344, 1480, 1536, 1554, 1680, 1776, 1792, 1920, 2072, 2220, 2240, 2368, 2560, 2590, 2688, 2960, 3108, 3360, 3552, 3584, 3840, 3885, 4144, 4440, 4480, 4736, 5180, 5376, 5920, 6216, 6720, 7104, 7680, 7770, 8288, 8880, 8960, 9472, 10360, 10752, 11840, 12432, 13440, 14208, 15540, 16576, 17760, 17920, 18944, 20720, 23680, 24864, 26880, 28416, 31080, 33152, 35520, 41440, 47360, 49728, 53760, 56832, 62160, 66304, 71040, 82880, 94720, 99456, 124320, 132608, 142080, 165760, 198912, 248640, 284160, 331520, 397824, 497280, 663040, 994560, 1989120]

約数ペア:

[(1, 1989120), (2, 994560), (3, 663040), (4, 497280), (5, 397824), (6, 331520), (7, 284160), (8, 248640), (10, 198912), (12, 165760), (14, 142080), (15, 132608), (16, 124320), (20, 99456), (21, 94720), (24, 82880), (28, 71040), (30, 66304), (32, 62160), (35, 56832), (37, 53760), (40, 49728), (42, 47360), (48, 41440), (56, 35520), (60, 33152), (64, 31080), (70, 28416), (74, 26880), (80, 24864), (84, 23680), (96, 20720), (105, 18944), (111, 17920), (112, 17760), (120, 16576), (128, 15540), (140, 14208), (148, 13440), (160, 12432), (168, 11840), (185, 10752), (192, 10360), (210, 9472), (222, 8960), (224, 8880), (240, 8288), (256, 7770), (259, 7680), (280, 7104), (296, 6720), (320, 6216), (336, 5920), (370, 5376), (384, 5180), (420, 4736), (444, 4480), (448, 4440), (480, 4144), (512, 3885), (518, 3840), (555, 3584), (560, 3552), (592, 3360), (640, 3108), (672, 2960), (740, 2688), (768, 2590), (777, 2560), (840, 2368), (888, 2240), (896, 2220), (960, 2072), (1036, 1920), (1110, 1792), (1120, 1776), (1184, 1680), (1280, 1554), (1295, 1536), (1344, 1480)]