253464960

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{18859}}^1$

素因数の和:18888

約数の個数: 128

約数和(自身を含む): 923385600

約数和(自身を除く): 669920640

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, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 18859, 37718, 56577, 75436, 94295, 113154, 132013, 150872, 188590, 226308, 264026, 282885, 301744, 377180, 396039, 452616, 528052, 565770, 603488, 660065, 754360, 792078, 905232, 1056104, 1131540, 1206976, 1320130, 1508720, 1584156, 1810464, 1980195, 2112208, 2263080, 2413952, 2640260, 3017440, 3168312, 3620928, 3960390, 4224416, 4526160, 5280520, 6034880, 6336624, 7241856, 7920780, 8448832, 9052320, 10561040, 12069760, 12673248, 15841560, 16897664, 18104640, 21122080, 25346496, 31683120, 36209280, 42244160, 50692992, 63366240, 84488320, 126732480, 253464960]

約数ペア:

[(1, 253464960), (2, 126732480), (3, 84488320), (4, 63366240), (5, 50692992), (6, 42244160), (7, 36209280), (8, 31683120), (10, 25346496), (12, 21122080), (14, 18104640), (15, 16897664), (16, 15841560), (20, 12673248), (21, 12069760), (24, 10561040), (28, 9052320), (30, 8448832), (32, 7920780), (35, 7241856), (40, 6336624), (42, 6034880), (48, 5280520), (56, 4526160), (60, 4224416), (64, 3960390), (70, 3620928), (80, 3168312), (84, 3017440), (96, 2640260), (105, 2413952), (112, 2263080), (120, 2112208), (128, 1980195), (140, 1810464), (160, 1584156), (168, 1508720), (192, 1320130), (210, 1206976), (224, 1131540), (240, 1056104), (280, 905232), (320, 792078), (336, 754360), (384, 660065), (420, 603488), (448, 565770), (480, 528052), (560, 452616), (640, 396039), (672, 377180), (840, 301744), (896, 282885), (960, 264026), (1120, 226308), (1344, 188590), (1680, 150872), (1920, 132013), (2240, 113154), (2688, 94295), (3360, 75436), (4480, 56577), (6720, 37718), (13440, 18859)]