28172340

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:311

約数の個数: 192

約数和(自身を含む): 104025600

約数和(自身を除く): 75853260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 29, 30, 35, 36, 42, 45, 54, 58, 60, 63, 70, 84, 87, 90, 105, 108, 116, 126, 135, 140, 145, 174, 180, 189, 203, 210, 252, 257, 261, 270, 290, 315, 348, 378, 406, 420, 435, 514, 522, 540, 580, 609, 630, 756, 771, 783, 812, 870, 945, 1015, 1028, 1044, 1218, 1260, 1285, 1305, 1542, 1566, 1740, 1799, 1827, 1890, 2030, 2313, 2436, 2570, 2610, 3045, 3084, 3132, 3598, 3654, 3780, 3855, 3915, 4060, 4626, 5140, 5220, 5397, 5481, 6090, 6939, 7196, 7308, 7453, 7710, 7830, 8995, 9135, 9252, 10794, 10962, 11565, 12180, 13878, 14906, 15420, 15660, 16191, 17990, 18270, 21588, 21924, 22359, 23130, 26985, 27405, 27756, 29812, 32382, 34695, 35980, 36540, 37265, 44718, 46260, 48573, 52171, 53970, 54810, 64764, 67077, 69390, 74530, 80955, 89436, 97146, 104342, 107940, 109620, 111795, 134154, 138780, 149060, 156513, 161910, 194292, 201231, 208684, 223590, 242865, 260855, 268308, 313026, 323820, 335385, 402462, 447180, 469539, 485730, 521710, 626052, 670770, 782565, 804924, 939078, 971460, 1006155, 1043420, 1341540, 1408617, 1565130, 1878156, 2012310, 2347695, 2817234, 3130260, 4024620, 4695390, 5634468, 7043085, 9390780, 14086170, 28172340]

約数ペア:

[(1, 28172340), (2, 14086170), (3, 9390780), (4, 7043085), (5, 5634468), (6, 4695390), (7, 4024620), (9, 3130260), (10, 2817234), (12, 2347695), (14, 2012310), (15, 1878156), (18, 1565130), (20, 1408617), (21, 1341540), (27, 1043420), (28, 1006155), (29, 971460), (30, 939078), (35, 804924), (36, 782565), (42, 670770), (45, 626052), (54, 521710), (58, 485730), (60, 469539), (63, 447180), (70, 402462), (84, 335385), (87, 323820), (90, 313026), (105, 268308), (108, 260855), (116, 242865), (126, 223590), (135, 208684), (140, 201231), (145, 194292), (174, 161910), (180, 156513), (189, 149060), (203, 138780), (210, 134154), (252, 111795), (257, 109620), (261, 107940), (270, 104342), (290, 97146), (315, 89436), (348, 80955), (378, 74530), (406, 69390), (420, 67077), (435, 64764), (514, 54810), (522, 53970), (540, 52171), (580, 48573), (609, 46260), (630, 44718), (756, 37265), (771, 36540), (783, 35980), (812, 34695), (870, 32382), (945, 29812), (1015, 27756), (1028, 27405), (1044, 26985), (1218, 23130), (1260, 22359), (1285, 21924), (1305, 21588), (1542, 18270), (1566, 17990), (1740, 16191), (1799, 15660), (1827, 15420), (1890, 14906), (2030, 13878), (2313, 12180), (2436, 11565), (2570, 10962), (2610, 10794), (3045, 9252), (3084, 9135), (3132, 8995), (3598, 7830), (3654, 7710), (3780, 7453), (3855, 7308), (3915, 7196), (4060, 6939), (4626, 6090), (5140, 5481), (5220, 5397)]