28236420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1523}}^1$

素因数の和:1641

約数の個数: 72

約数和(自身を含む): 86538816

約数和(自身を除く): 58302396

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, 1523, 1545, 1854, 2060, 3046, 3090, 3708, 4569, 4635, 6092, 6180, 7615, 9138, 9270, 13707, 15230, 18276, 18540, 22845, 27414, 30460, 45690, 54828, 68535, 91380, 137070, 156869, 274140, 313738, 470607, 627476, 784345, 941214, 1411821, 1568690, 1882428, 2353035, 2823642, 3137380, 4706070, 5647284, 7059105, 9412140, 14118210, 28236420]

約数ペア:

[(1, 28236420), (2, 14118210), (3, 9412140), (4, 7059105), (5, 5647284), (6, 4706070), (9, 3137380), (10, 2823642), (12, 2353035), (15, 1882428), (18, 1568690), (20, 1411821), (30, 941214), (36, 784345), (45, 627476), (60, 470607), (90, 313738), (103, 274140), (180, 156869), (206, 137070), (309, 91380), (412, 68535), (515, 54828), (618, 45690), (927, 30460), (1030, 27414), (1236, 22845), (1523, 18540), (1545, 18276), (1854, 15230), (2060, 13707), (3046, 9270), (3090, 9138), (3708, 7615), (4569, 6180), (4635, 6092)]