254346540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31873}}^1$

素因数の和:31911

約数の個数: 96

約数和(自身を含む): 856773120

約数和(自身を除く): 602426580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 31873, 63746, 95619, 127492, 159365, 191238, 223111, 318730, 382476, 446222, 478095, 605587, 637460, 669333, 892444, 956190, 1115555, 1211174, 1338666, 1816761, 1912380, 2231110, 2422348, 2677332, 3027935, 3346665, 3633522, 4239109, 4462220, 6055870, 6693330, 7267044, 8478218, 9083805, 12111740, 12717327, 13386660, 16956436, 18167610, 21195545, 25434654, 36335220, 42391090, 50869308, 63586635, 84782180, 127173270, 254346540]

約数ペア:

[(1, 254346540), (2, 127173270), (3, 84782180), (4, 63586635), (5, 50869308), (6, 42391090), (7, 36335220), (10, 25434654), (12, 21195545), (14, 18167610), (15, 16956436), (19, 13386660), (20, 12717327), (21, 12111740), (28, 9083805), (30, 8478218), (35, 7267044), (38, 6693330), (42, 6055870), (57, 4462220), (60, 4239109), (70, 3633522), (76, 3346665), (84, 3027935), (95, 2677332), (105, 2422348), (114, 2231110), (133, 1912380), (140, 1816761), (190, 1338666), (210, 1211174), (228, 1115555), (266, 956190), (285, 892444), (380, 669333), (399, 637460), (420, 605587), (532, 478095), (570, 446222), (665, 382476), (798, 318730), (1140, 223111), (1330, 191238), (1596, 159365), (1995, 127492), (2660, 95619), (3990, 63746), (7980, 31873)]