28798740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{613}}^1$

素因数の和:663

約数の個数: 120

約数和(自身を含む): 93610440

約数和(自身を除く): 64811700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 135, 145, 162, 174, 180, 261, 270, 290, 324, 348, 405, 435, 522, 540, 580, 613, 783, 810, 870, 1044, 1226, 1305, 1566, 1620, 1740, 1839, 2349, 2452, 2610, 3065, 3132, 3678, 3915, 4698, 5220, 5517, 6130, 7356, 7830, 9195, 9396, 11034, 11745, 12260, 15660, 16551, 17777, 18390, 22068, 23490, 27585, 33102, 35554, 36780, 46980, 49653, 53331, 55170, 66204, 71108, 82755, 88885, 99306, 106662, 110340, 159993, 165510, 177770, 198612, 213324, 248265, 266655, 319986, 331020, 355540, 479979, 496530, 533310, 639972, 799965, 959958, 993060, 1066620, 1439937, 1599930, 1919916, 2399895, 2879874, 3199860, 4799790, 5759748, 7199685, 9599580, 14399370, 28798740]

約数ペア:

[(1, 28798740), (2, 14399370), (3, 9599580), (4, 7199685), (5, 5759748), (6, 4799790), (9, 3199860), (10, 2879874), (12, 2399895), (15, 1919916), (18, 1599930), (20, 1439937), (27, 1066620), (29, 993060), (30, 959958), (36, 799965), (45, 639972), (54, 533310), (58, 496530), (60, 479979), (81, 355540), (87, 331020), (90, 319986), (108, 266655), (116, 248265), (135, 213324), (145, 198612), (162, 177770), (174, 165510), (180, 159993), (261, 110340), (270, 106662), (290, 99306), (324, 88885), (348, 82755), (405, 71108), (435, 66204), (522, 55170), (540, 53331), (580, 49653), (613, 46980), (783, 36780), (810, 35554), (870, 33102), (1044, 27585), (1226, 23490), (1305, 22068), (1566, 18390), (1620, 17777), (1740, 16551), (1839, 15660), (2349, 12260), (2452, 11745), (2610, 11034), (3065, 9396), (3132, 9195), (3678, 7830), (3915, 7356), (4698, 6130), (5220, 5517)]