18650520

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{2467}}^1$

素因数の和:2494

約数の個数: 128

約数和(自身を含む): 71078400

約数和(自身を除く): 52427880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2467, 2520, 3780, 4934, 7401, 7560, 9868, 12335, 14802, 17269, 19736, 22203, 24670, 29604, 34538, 37005, 44406, 49340, 51807, 59208, 66609, 69076, 74010, 86345, 88812, 98680, 103614, 111015, 133218, 138152, 148020, 155421, 172690, 177624, 207228, 222030, 259035, 266436, 296040, 310842, 333045, 345380, 414456, 444060, 466263, 518070, 532872, 621684, 666090, 690760, 777105, 888120, 932526, 1036140, 1243368, 1332180, 1554210, 1865052, 2072280, 2331315, 2664360, 3108420, 3730104, 4662630, 6216840, 9325260, 18650520]

約数ペア:

[(1, 18650520), (2, 9325260), (3, 6216840), (4, 4662630), (5, 3730104), (6, 3108420), (7, 2664360), (8, 2331315), (9, 2072280), (10, 1865052), (12, 1554210), (14, 1332180), (15, 1243368), (18, 1036140), (20, 932526), (21, 888120), (24, 777105), (27, 690760), (28, 666090), (30, 621684), (35, 532872), (36, 518070), (40, 466263), (42, 444060), (45, 414456), (54, 345380), (56, 333045), (60, 310842), (63, 296040), (70, 266436), (72, 259035), (84, 222030), (90, 207228), (105, 177624), (108, 172690), (120, 155421), (126, 148020), (135, 138152), (140, 133218), (168, 111015), (180, 103614), (189, 98680), (210, 88812), (216, 86345), (252, 74010), (270, 69076), (280, 66609), (315, 59208), (360, 51807), (378, 49340), (420, 44406), (504, 37005), (540, 34538), (630, 29604), (756, 24670), (840, 22203), (945, 19736), (1080, 17269), (1260, 14802), (1512, 12335), (1890, 9868), (2467, 7560), (2520, 7401), (3780, 4934)]