15837280

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{103}}^1$

素因数の和:180

約数の個数: 72

約数和(自身を含む): 39036816

約数和(自身を除く): 23199536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 103, 124, 155, 160, 206, 248, 310, 412, 496, 515, 620, 824, 961, 992, 1030, 1240, 1648, 1922, 2060, 2480, 3193, 3296, 3844, 4120, 4805, 4960, 6386, 7688, 8240, 9610, 12772, 15376, 15965, 16480, 19220, 25544, 30752, 31930, 38440, 51088, 63860, 76880, 98983, 102176, 127720, 153760, 197966, 255440, 395932, 494915, 510880, 791864, 989830, 1583728, 1979660, 3167456, 3959320, 7918640, 15837280]

約数ペア:

[(1, 15837280), (2, 7918640), (4, 3959320), (5, 3167456), (8, 1979660), (10, 1583728), (16, 989830), (20, 791864), (31, 510880), (32, 494915), (40, 395932), (62, 255440), (80, 197966), (103, 153760), (124, 127720), (155, 102176), (160, 98983), (206, 76880), (248, 63860), (310, 51088), (412, 38440), (496, 31930), (515, 30752), (620, 25544), (824, 19220), (961, 16480), (992, 15965), (1030, 15376), (1240, 12772), (1648, 9610), (1922, 8240), (2060, 7688), (2480, 6386), (3193, 4960), (3296, 4805), (3844, 4120)]