15993560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 39674880

約数和(自身を除く): 23681320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 163, 220, 223, 326, 440, 446, 652, 815, 892, 1115, 1304, 1630, 1784, 1793, 2230, 2453, 3260, 3586, 4460, 4906, 6520, 7172, 8920, 8965, 9812, 12265, 14344, 17930, 19624, 24530, 35860, 36349, 49060, 71720, 72698, 98120, 145396, 181745, 290792, 363490, 399839, 726980, 799678, 1453960, 1599356, 1999195, 3198712, 3998390, 7996780, 15993560]

約数ペア:

[(1, 15993560), (2, 7996780), (4, 3998390), (5, 3198712), (8, 1999195), (10, 1599356), (11, 1453960), (20, 799678), (22, 726980), (40, 399839), (44, 363490), (55, 290792), (88, 181745), (110, 145396), (163, 98120), (220, 72698), (223, 71720), (326, 49060), (440, 36349), (446, 35860), (652, 24530), (815, 19624), (892, 17930), (1115, 14344), (1304, 12265), (1630, 9812), (1784, 8965), (1793, 8920), (2230, 7172), (2453, 6520), (3260, 4906), (3586, 4460)]