28478880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19777}}^1$

素因数の和:19798

約数の個数: 72

約数和(自身を含む): 97189092

約数和(自身を除く): 68710212

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 19777, 39554, 59331, 79108, 98885, 118662, 158216, 177993, 197770, 237324, 296655, 316432, 355986, 395540, 474648, 593310, 632864, 711972, 791080, 889965, 949296, 1186620, 1423944, 1582160, 1779930, 1898592, 2373240, 2847888, 3164320, 3559860, 4746480, 5695776, 7119720, 9492960, 14239440, 28478880]

約数ペア:

[(1, 28478880), (2, 14239440), (3, 9492960), (4, 7119720), (5, 5695776), (6, 4746480), (8, 3559860), (9, 3164320), (10, 2847888), (12, 2373240), (15, 1898592), (16, 1779930), (18, 1582160), (20, 1423944), (24, 1186620), (30, 949296), (32, 889965), (36, 791080), (40, 711972), (45, 632864), (48, 593310), (60, 474648), (72, 395540), (80, 355986), (90, 316432), (96, 296655), (120, 237324), (144, 197770), (160, 177993), (180, 158216), (240, 118662), (288, 98885), (360, 79108), (480, 59331), (720, 39554), (1440, 19777)]