2005489920

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{74609}}^1$

素因数の和:74640

約数の個数: 144

約数和(自身を含む): 7320136320

約数和(自身を除く): 5314646400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 13440, 26880, 74609, 149218, 223827, 298436, 373045, 447654, 522263, 596872, 746090, 895308, 1044526, 1119135, 1193744, 1492180, 1566789, 1790616, 2089052, 2238270, 2387488, 2611315, 2984360, 3133578, 3581232, 4178104, 4476540, 4774976, 5222630, 5968720, 6267156, 7162464, 7833945, 8356208, 8953080, 9549952, 10445260, 11937440, 12534312, 14324928, 15667890, 16712416, 17906160, 19099904, 20890520, 23874880, 25068624, 28649856, 31335780, 33424832, 35812320, 41781040, 47749760, 50137248, 57299712, 62671560, 66849664, 71624640, 83562080, 95499520, 100274496, 125343120, 133699328, 143249280, 167124160, 200548992, 250686240, 286498560, 334248320, 401097984, 501372480, 668496640, 1002744960, 2005489920]

約数ペア:

[(1, 2005489920), (2, 1002744960), (3, 668496640), (4, 501372480), (5, 401097984), (6, 334248320), (7, 286498560), (8, 250686240), (10, 200548992), (12, 167124160), (14, 143249280), (15, 133699328), (16, 125343120), (20, 100274496), (21, 95499520), (24, 83562080), (28, 71624640), (30, 66849664), (32, 62671560), (35, 57299712), (40, 50137248), (42, 47749760), (48, 41781040), (56, 35812320), (60, 33424832), (64, 31335780), (70, 28649856), (80, 25068624), (84, 23874880), (96, 20890520), (105, 19099904), (112, 17906160), (120, 16712416), (128, 15667890), (140, 14324928), (160, 12534312), (168, 11937440), (192, 10445260), (210, 9549952), (224, 8953080), (240, 8356208), (256, 7833945), (280, 7162464), (320, 6267156), (336, 5968720), (384, 5222630), (420, 4774976), (448, 4476540), (480, 4178104), (560, 3581232), (640, 3133578), (672, 2984360), (768, 2611315), (840, 2387488), (896, 2238270), (960, 2089052), (1120, 1790616), (1280, 1566789), (1344, 1492180), (1680, 1193744), (1792, 1119135), (1920, 1044526), (2240, 895308), (2688, 746090), (3360, 596872), (3840, 522263), (4480, 447654), (5376, 373045), (6720, 298436), (8960, 223827), (13440, 149218), (26880, 74609)]