16447760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1277}}^1$

素因数の和:1320

約数の個数: 80

約数和(自身を含む): 45639936

約数和(自身を除く): 29192176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1277, 1288, 1610, 1840, 2554, 2576, 3220, 5108, 6385, 6440, 8939, 10216, 12770, 12880, 17878, 20432, 25540, 29371, 35756, 44695, 51080, 58742, 71512, 89390, 102160, 117484, 143024, 146855, 178780, 205597, 234968, 293710, 357560, 411194, 469936, 587420, 715120, 822388, 1027985, 1174840, 1644776, 2055970, 2349680, 3289552, 4111940, 8223880, 16447760]

約数ペア:

[(1, 16447760), (2, 8223880), (4, 4111940), (5, 3289552), (7, 2349680), (8, 2055970), (10, 1644776), (14, 1174840), (16, 1027985), (20, 822388), (23, 715120), (28, 587420), (35, 469936), (40, 411194), (46, 357560), (56, 293710), (70, 234968), (80, 205597), (92, 178780), (112, 146855), (115, 143024), (140, 117484), (161, 102160), (184, 89390), (230, 71512), (280, 58742), (322, 51080), (368, 44695), (460, 35756), (560, 29371), (644, 25540), (805, 20432), (920, 17878), (1277, 12880), (1288, 12770), (1610, 10216), (1840, 8939), (2554, 6440), (2576, 6385), (3220, 5108)]