81369360

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{433}}^1$

素因数の和:487

約数の個数: 200

約数和(自身を含む): 293028120

約数和(自身を除く): 211658760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 36, 40, 45, 48, 54, 58, 60, 72, 80, 81, 87, 90, 108, 116, 120, 135, 144, 145, 162, 174, 180, 216, 232, 240, 261, 270, 290, 324, 348, 360, 405, 432, 433, 435, 464, 522, 540, 580, 648, 696, 720, 783, 810, 866, 870, 1044, 1080, 1160, 1296, 1299, 1305, 1392, 1566, 1620, 1732, 1740, 2088, 2160, 2165, 2320, 2349, 2598, 2610, 3132, 3240, 3464, 3480, 3897, 3915, 4176, 4330, 4698, 5196, 5220, 6264, 6480, 6495, 6928, 6960, 7794, 7830, 8660, 9396, 10392, 10440, 11691, 11745, 12528, 12557, 12990, 15588, 15660, 17320, 18792, 19485, 20784, 20880, 23382, 23490, 25114, 25980, 31176, 31320, 34640, 35073, 37584, 37671, 38970, 46764, 46980, 50228, 51960, 58455, 62352, 62640, 62785, 70146, 75342, 77940, 93528, 93960, 100456, 103920, 113013, 116910, 125570, 140292, 150684, 155880, 175365, 187056, 187920, 188355, 200912, 226026, 233820, 251140, 280584, 301368, 311760, 339039, 350730, 376710, 452052, 467640, 502280, 561168, 565065, 602736, 678078, 701460, 753420, 904104, 935280, 1004560, 1017117, 1130130, 1356156, 1402920, 1506840, 1695195, 1808208, 2034234, 2260260, 2712312, 2805840, 3013680, 3390390, 4068468, 4520520, 5085585, 5424624, 6780780, 8136936, 9041040, 10171170, 13561560, 16273872, 20342340, 27123120, 40684680, 81369360]

約数ペア:

[(1, 81369360), (2, 40684680), (3, 27123120), (4, 20342340), (5, 16273872), (6, 13561560), (8, 10171170), (9, 9041040), (10, 8136936), (12, 6780780), (15, 5424624), (16, 5085585), (18, 4520520), (20, 4068468), (24, 3390390), (27, 3013680), (29, 2805840), (30, 2712312), (36, 2260260), (40, 2034234), (45, 1808208), (48, 1695195), (54, 1506840), (58, 1402920), (60, 1356156), (72, 1130130), (80, 1017117), (81, 1004560), (87, 935280), (90, 904104), (108, 753420), (116, 701460), (120, 678078), (135, 602736), (144, 565065), (145, 561168), (162, 502280), (174, 467640), (180, 452052), (216, 376710), (232, 350730), (240, 339039), (261, 311760), (270, 301368), (290, 280584), (324, 251140), (348, 233820), (360, 226026), (405, 200912), (432, 188355), (433, 187920), (435, 187056), (464, 175365), (522, 155880), (540, 150684), (580, 140292), (648, 125570), (696, 116910), (720, 113013), (783, 103920), (810, 100456), (866, 93960), (870, 93528), (1044, 77940), (1080, 75342), (1160, 70146), (1296, 62785), (1299, 62640), (1305, 62352), (1392, 58455), (1566, 51960), (1620, 50228), (1732, 46980), (1740, 46764), (2088, 38970), (2160, 37671), (2165, 37584), (2320, 35073), (2349, 34640), (2598, 31320), (2610, 31176), (3132, 25980), (3240, 25114), (3464, 23490), (3480, 23382), (3897, 20880), (3915, 20784), (4176, 19485), (4330, 18792), (4698, 17320), (5196, 15660), (5220, 15588), (6264, 12990), (6480, 12557), (6495, 12528), (6928, 11745), (6960, 11691), (7794, 10440), (7830, 10392), (8660, 9396)]