71767280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{457}}^1$

素因数の和:634

約数の個数: 80

約数和(自身を含む): 181280064

約数和(自身を除く): 109512784

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 151, 208, 260, 302, 457, 520, 604, 755, 914, 1040, 1208, 1510, 1828, 1963, 2285, 2416, 3020, 3656, 3926, 4570, 5941, 6040, 7312, 7852, 9140, 9815, 11882, 12080, 15704, 18280, 19630, 23764, 29705, 31408, 36560, 39260, 47528, 59410, 69007, 78520, 95056, 118820, 138014, 157040, 237640, 276028, 345035, 475280, 552056, 690070, 897091, 1104112, 1380140, 1794182, 2760280, 3588364, 4485455, 5520560, 7176728, 8970910, 14353456, 17941820, 35883640, 71767280]

約数ペア:

[(1, 71767280), (2, 35883640), (4, 17941820), (5, 14353456), (8, 8970910), (10, 7176728), (13, 5520560), (16, 4485455), (20, 3588364), (26, 2760280), (40, 1794182), (52, 1380140), (65, 1104112), (80, 897091), (104, 690070), (130, 552056), (151, 475280), (208, 345035), (260, 276028), (302, 237640), (457, 157040), (520, 138014), (604, 118820), (755, 95056), (914, 78520), (1040, 69007), (1208, 59410), (1510, 47528), (1828, 39260), (1963, 36560), (2285, 31408), (2416, 29705), (3020, 23764), (3656, 19630), (3926, 18280), (4570, 15704), (5941, 12080), (6040, 11882), (7312, 9815), (7852, 9140)]