80019720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{167}}^1$

素因数の和:217

約数の個数: 192

約数和(自身を含む): 287763840

約数和(自身を除く): 207744120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 121, 132, 165, 167, 180, 198, 220, 242, 264, 330, 334, 360, 363, 396, 440, 484, 495, 501, 605, 660, 668, 726, 792, 835, 968, 990, 1002, 1089, 1210, 1320, 1331, 1336, 1452, 1503, 1670, 1815, 1837, 1980, 2004, 2178, 2420, 2505, 2662, 2904, 3006, 3340, 3630, 3674, 3960, 3993, 4008, 4356, 4840, 5010, 5324, 5445, 5511, 6012, 6655, 6680, 7260, 7348, 7515, 7986, 8712, 9185, 10020, 10648, 10890, 11022, 11979, 12024, 13310, 14520, 14696, 15030, 15972, 16533, 18370, 19965, 20040, 20207, 21780, 22044, 23958, 26620, 27555, 30060, 31944, 33066, 36740, 39930, 40414, 43560, 44088, 47916, 53240, 55110, 59895, 60120, 60621, 66132, 73480, 79860, 80828, 82665, 95832, 101035, 110220, 119790, 121242, 132264, 159720, 161656, 165330, 181863, 202070, 220440, 222277, 239580, 242484, 303105, 330660, 363726, 404140, 444554, 479160, 484968, 606210, 661320, 666831, 727452, 808280, 889108, 909315, 1111385, 1212420, 1333662, 1454904, 1778216, 1818630, 2000493, 2222770, 2424840, 2667324, 3334155, 3637260, 4000986, 4445540, 5334648, 6668310, 7274520, 8001972, 8891080, 10002465, 13336620, 16003944, 20004930, 26673240, 40009860, 80019720]

約数ペア:

[(1, 80019720), (2, 40009860), (3, 26673240), (4, 20004930), (5, 16003944), (6, 13336620), (8, 10002465), (9, 8891080), (10, 8001972), (11, 7274520), (12, 6668310), (15, 5334648), (18, 4445540), (20, 4000986), (22, 3637260), (24, 3334155), (30, 2667324), (33, 2424840), (36, 2222770), (40, 2000493), (44, 1818630), (45, 1778216), (55, 1454904), (60, 1333662), (66, 1212420), (72, 1111385), (88, 909315), (90, 889108), (99, 808280), (110, 727452), (120, 666831), (121, 661320), (132, 606210), (165, 484968), (167, 479160), (180, 444554), (198, 404140), (220, 363726), (242, 330660), (264, 303105), (330, 242484), (334, 239580), (360, 222277), (363, 220440), (396, 202070), (440, 181863), (484, 165330), (495, 161656), (501, 159720), (605, 132264), (660, 121242), (668, 119790), (726, 110220), (792, 101035), (835, 95832), (968, 82665), (990, 80828), (1002, 79860), (1089, 73480), (1210, 66132), (1320, 60621), (1331, 60120), (1336, 59895), (1452, 55110), (1503, 53240), (1670, 47916), (1815, 44088), (1837, 43560), (1980, 40414), (2004, 39930), (2178, 36740), (2420, 33066), (2505, 31944), (2662, 30060), (2904, 27555), (3006, 26620), (3340, 23958), (3630, 22044), (3674, 21780), (3960, 20207), (3993, 20040), (4008, 19965), (4356, 18370), (4840, 16533), (5010, 15972), (5324, 15030), (5445, 14696), (5511, 14520), (6012, 13310), (6655, 12024), (6680, 11979), (7260, 11022), (7348, 10890), (7515, 10648), (7986, 10020), (8712, 9185)]