28013940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1511}}^1$

素因数の和:1629

約数の個数: 72

約数和(自身を含む): 85857408

約数和(自身を除く): 57843468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 927, 1030, 1236, 1511, 1545, 1854, 2060, 3022, 3090, 3708, 4533, 4635, 6044, 6180, 7555, 9066, 9270, 13599, 15110, 18132, 18540, 22665, 27198, 30220, 45330, 54396, 67995, 90660, 135990, 155633, 271980, 311266, 466899, 622532, 778165, 933798, 1400697, 1556330, 1867596, 2334495, 2801394, 3112660, 4668990, 5602788, 7003485, 9337980, 14006970, 28013940]

約数ペア:

[(1, 28013940), (2, 14006970), (3, 9337980), (4, 7003485), (5, 5602788), (6, 4668990), (9, 3112660), (10, 2801394), (12, 2334495), (15, 1867596), (18, 1556330), (20, 1400697), (30, 933798), (36, 778165), (45, 622532), (60, 466899), (90, 311266), (103, 271980), (180, 155633), (206, 135990), (309, 90660), (412, 67995), (515, 54396), (618, 45330), (927, 30220), (1030, 27198), (1236, 22665), (1511, 18540), (1545, 18132), (1854, 15110), (2060, 13599), (3022, 9270), (3090, 9066), (3708, 7555), (4533, 6180), (4635, 6044)]