20154240

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{3499}}^1$

素因数の和:3524

約数の個数: 96

約数和(自身を含む): 69615000

約数和(自身を除く): 49460760

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, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 3499, 5760, 6998, 10497, 13996, 17495, 20994, 27992, 31491, 34990, 41988, 52485, 55984, 62982, 69980, 83976, 104970, 111968, 125964, 139960, 157455, 167952, 209940, 223936, 251928, 279920, 314910, 335904, 419880, 447872, 503856, 559840, 629820, 671808, 839760, 1007712, 1119680, 1259640, 1343616, 1679520, 2015424, 2239360, 2519280, 3359040, 4030848, 5038560, 6718080, 10077120, 20154240]

約数ペア:

[(1, 20154240), (2, 10077120), (3, 6718080), (4, 5038560), (5, 4030848), (6, 3359040), (8, 2519280), (9, 2239360), (10, 2015424), (12, 1679520), (15, 1343616), (16, 1259640), (18, 1119680), (20, 1007712), (24, 839760), (30, 671808), (32, 629820), (36, 559840), (40, 503856), (45, 447872), (48, 419880), (60, 335904), (64, 314910), (72, 279920), (80, 251928), (90, 223936), (96, 209940), (120, 167952), (128, 157455), (144, 139960), (160, 125964), (180, 111968), (192, 104970), (240, 83976), (288, 69980), (320, 62982), (360, 55984), (384, 52485), (480, 41988), (576, 34990), (640, 31491), (720, 27992), (960, 20994), (1152, 17495), (1440, 13996), (1920, 10497), (2880, 6998), (3499, 5760)]