30540840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1361}}^1$

素因数の和:1403

約数の個数: 128

約数和(自身を含む): 105909120

約数和(自身を除く): 75368280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 330, 340, 374, 408, 440, 510, 561, 660, 680, 748, 935, 1020, 1122, 1320, 1361, 1496, 1870, 2040, 2244, 2722, 2805, 3740, 4083, 4488, 5444, 5610, 6805, 7480, 8166, 10888, 11220, 13610, 14971, 16332, 20415, 22440, 23137, 27220, 29942, 32664, 40830, 44913, 46274, 54440, 59884, 69411, 74855, 81660, 89826, 92548, 115685, 119768, 138822, 149710, 163320, 179652, 185096, 224565, 231370, 254507, 277644, 299420, 347055, 359304, 449130, 462740, 509014, 555288, 598840, 694110, 763521, 898260, 925480, 1018028, 1272535, 1388220, 1527042, 1796520, 2036056, 2545070, 2776440, 3054084, 3817605, 5090140, 6108168, 7635210, 10180280, 15270420, 30540840]

約数ペア:

[(1, 30540840), (2, 15270420), (3, 10180280), (4, 7635210), (5, 6108168), (6, 5090140), (8, 3817605), (10, 3054084), (11, 2776440), (12, 2545070), (15, 2036056), (17, 1796520), (20, 1527042), (22, 1388220), (24, 1272535), (30, 1018028), (33, 925480), (34, 898260), (40, 763521), (44, 694110), (51, 598840), (55, 555288), (60, 509014), (66, 462740), (68, 449130), (85, 359304), (88, 347055), (102, 299420), (110, 277644), (120, 254507), (132, 231370), (136, 224565), (165, 185096), (170, 179652), (187, 163320), (204, 149710), (220, 138822), (255, 119768), (264, 115685), (330, 92548), (340, 89826), (374, 81660), (408, 74855), (440, 69411), (510, 59884), (561, 54440), (660, 46274), (680, 44913), (748, 40830), (935, 32664), (1020, 29942), (1122, 27220), (1320, 23137), (1361, 22440), (1496, 20415), (1870, 16332), (2040, 14971), (2244, 13610), (2722, 11220), (2805, 10888), (3740, 8166), (4083, 7480), (4488, 6805), (5444, 5610)]