28647840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4591}}^1$

素因数の和:4622

約数の個数: 96

約数和(自身を含む): 97203456

約数和(自身を除く): 68555616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 4591, 6240, 9182, 13773, 18364, 22955, 27546, 36728, 45910, 55092, 59683, 68865, 73456, 91820, 110184, 119366, 137730, 146912, 179049, 183640, 220368, 238732, 275460, 298415, 358098, 367280, 440736, 477464, 550920, 596830, 716196, 734560, 895245, 954928, 1101840, 1193660, 1432392, 1790490, 1909856, 2203680, 2387320, 2864784, 3580980, 4774640, 5729568, 7161960, 9549280, 14323920, 28647840]

約数ペア:

[(1, 28647840), (2, 14323920), (3, 9549280), (4, 7161960), (5, 5729568), (6, 4774640), (8, 3580980), (10, 2864784), (12, 2387320), (13, 2203680), (15, 1909856), (16, 1790490), (20, 1432392), (24, 1193660), (26, 1101840), (30, 954928), (32, 895245), (39, 734560), (40, 716196), (48, 596830), (52, 550920), (60, 477464), (65, 440736), (78, 367280), (80, 358098), (96, 298415), (104, 275460), (120, 238732), (130, 220368), (156, 183640), (160, 179049), (195, 146912), (208, 137730), (240, 119366), (260, 110184), (312, 91820), (390, 73456), (416, 68865), (480, 59683), (520, 55092), (624, 45910), (780, 36728), (1040, 27546), (1248, 22955), (1560, 18364), (2080, 13773), (3120, 9182), (4591, 6240)]