251763120

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{16651}}^1$

素因数の和:16680

約数の個数: 160

約数和(自身を含む): 991127040

約数和(自身を除く): 739363920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 16651, 33302, 49953, 66604, 83255, 99906, 116557, 133208, 149859, 166510, 199812, 233114, 249765, 266416, 299718, 333020, 349671, 399624, 449577, 466228, 499530, 582785, 599436, 666040, 699342, 749295, 799248, 899154, 932456, 999060, 1049013, 1165570, 1198872, 1332080, 1398684, 1498590, 1748355, 1798308, 1864912, 1998120, 2098026, 2247885, 2331140, 2397744, 2797368, 2997180, 3147039, 3496710, 3596616, 3996240, 4196052, 4495770, 4662280, 5245065, 5594736, 5994360, 6294078, 6993420, 7193232, 8392104, 8991540, 9324560, 10490130, 11988720, 12588156, 13986840, 15735195, 16784208, 17983080, 20980260, 25176312, 27973680, 31470390, 35966160, 41960520, 50352624, 62940780, 83921040, 125881560, 251763120]

約数ペア:

[(1, 251763120), (2, 125881560), (3, 83921040), (4, 62940780), (5, 50352624), (6, 41960520), (7, 35966160), (8, 31470390), (9, 27973680), (10, 25176312), (12, 20980260), (14, 17983080), (15, 16784208), (16, 15735195), (18, 13986840), (20, 12588156), (21, 11988720), (24, 10490130), (27, 9324560), (28, 8991540), (30, 8392104), (35, 7193232), (36, 6993420), (40, 6294078), (42, 5994360), (45, 5594736), (48, 5245065), (54, 4662280), (56, 4495770), (60, 4196052), (63, 3996240), (70, 3596616), (72, 3496710), (80, 3147039), (84, 2997180), (90, 2797368), (105, 2397744), (108, 2331140), (112, 2247885), (120, 2098026), (126, 1998120), (135, 1864912), (140, 1798308), (144, 1748355), (168, 1498590), (180, 1398684), (189, 1332080), (210, 1198872), (216, 1165570), (240, 1049013), (252, 999060), (270, 932456), (280, 899154), (315, 799248), (336, 749295), (360, 699342), (378, 666040), (420, 599436), (432, 582785), (504, 499530), (540, 466228), (560, 449577), (630, 399624), (720, 349671), (756, 333020), (840, 299718), (945, 266416), (1008, 249765), (1080, 233114), (1260, 199812), (1512, 166510), (1680, 149859), (1890, 133208), (2160, 116557), (2520, 99906), (3024, 83255), (3780, 66604), (5040, 49953), (7560, 33302), (15120, 16651)]