28141560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:458

約数の個数: 128

約数和(自身を含む): 95385600

約数和(自身を除く): 67244040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 90, 108, 120, 135, 142, 180, 213, 216, 270, 284, 355, 360, 367, 426, 540, 568, 639, 710, 734, 852, 1065, 1080, 1101, 1278, 1420, 1468, 1704, 1835, 1917, 2130, 2202, 2556, 2840, 2936, 3195, 3303, 3670, 3834, 4260, 4404, 5112, 5505, 6390, 6606, 7340, 7668, 8520, 8808, 9585, 9909, 11010, 12780, 13212, 14680, 15336, 16515, 19170, 19818, 22020, 25560, 26057, 26424, 33030, 38340, 39636, 44040, 49545, 52114, 66060, 76680, 78171, 79272, 99090, 104228, 130285, 132120, 156342, 198180, 208456, 234513, 260570, 312684, 390855, 396360, 469026, 521140, 625368, 703539, 781710, 938052, 1042280, 1172565, 1407078, 1563420, 1876104, 2345130, 2814156, 3126840, 3517695, 4690260, 5628312, 7035390, 9380520, 14070780, 28141560]

約数ペア:

[(1, 28141560), (2, 14070780), (3, 9380520), (4, 7035390), (5, 5628312), (6, 4690260), (8, 3517695), (9, 3126840), (10, 2814156), (12, 2345130), (15, 1876104), (18, 1563420), (20, 1407078), (24, 1172565), (27, 1042280), (30, 938052), (36, 781710), (40, 703539), (45, 625368), (54, 521140), (60, 469026), (71, 396360), (72, 390855), (90, 312684), (108, 260570), (120, 234513), (135, 208456), (142, 198180), (180, 156342), (213, 132120), (216, 130285), (270, 104228), (284, 99090), (355, 79272), (360, 78171), (367, 76680), (426, 66060), (540, 52114), (568, 49545), (639, 44040), (710, 39636), (734, 38340), (852, 33030), (1065, 26424), (1080, 26057), (1101, 25560), (1278, 22020), (1420, 19818), (1468, 19170), (1704, 16515), (1835, 15336), (1917, 14680), (2130, 13212), (2202, 12780), (2556, 11010), (2840, 9909), (2936, 9585), (3195, 8808), (3303, 8520), (3670, 7668), (3834, 7340), (4260, 6606), (4404, 6390), (5112, 5505)]