15573920

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:190

約数の個数: 96

約数和(自身を含む): 39916800

約数和(自身を除く): 24342880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 47, 76, 80, 94, 95, 109, 152, 160, 188, 190, 218, 235, 304, 376, 380, 436, 470, 545, 608, 752, 760, 872, 893, 940, 1090, 1504, 1520, 1744, 1786, 1880, 2071, 2180, 3040, 3488, 3572, 3760, 4142, 4360, 4465, 5123, 7144, 7520, 8284, 8720, 8930, 10246, 10355, 14288, 16568, 17440, 17860, 20492, 20710, 25615, 28576, 33136, 35720, 40984, 41420, 51230, 66272, 71440, 81968, 82840, 97337, 102460, 142880, 163936, 165680, 194674, 204920, 331360, 389348, 409840, 486685, 778696, 819680, 973370, 1557392, 1946740, 3114784, 3893480, 7786960, 15573920]

約数ペア:

[(1, 15573920), (2, 7786960), (4, 3893480), (5, 3114784), (8, 1946740), (10, 1557392), (16, 973370), (19, 819680), (20, 778696), (32, 486685), (38, 409840), (40, 389348), (47, 331360), (76, 204920), (80, 194674), (94, 165680), (95, 163936), (109, 142880), (152, 102460), (160, 97337), (188, 82840), (190, 81968), (218, 71440), (235, 66272), (304, 51230), (376, 41420), (380, 40984), (436, 35720), (470, 33136), (545, 28576), (608, 25615), (752, 20710), (760, 20492), (872, 17860), (893, 17440), (940, 16568), (1090, 14288), (1504, 10355), (1520, 10246), (1744, 8930), (1786, 8720), (1880, 8284), (2071, 7520), (2180, 7144), (3040, 5123), (3488, 4465), (3572, 4360), (3760, 4142)]