68638180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:385

約数の個数: 96

約数和(自身を含む): 168031584

約数和(自身を除く): 99393404

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 53, 65, 68, 85, 106, 130, 170, 212, 221, 260, 265, 293, 340, 442, 530, 586, 689, 884, 901, 1060, 1105, 1172, 1378, 1465, 1802, 2210, 2756, 2930, 3445, 3604, 3809, 4420, 4505, 4981, 5860, 6890, 7618, 9010, 9962, 11713, 13780, 15236, 15529, 18020, 19045, 19924, 23426, 24905, 31058, 38090, 46852, 49810, 58565, 62116, 64753, 76180, 77645, 99620, 117130, 129506, 155290, 201877, 234260, 259012, 263993, 310580, 323765, 403754, 527986, 647530, 807508, 1009385, 1055972, 1295060, 1319965, 2018770, 2639930, 3431909, 4037540, 5279860, 6863818, 13727636, 17159545, 34319090, 68638180]

約数ペア:

[(1, 68638180), (2, 34319090), (4, 17159545), (5, 13727636), (10, 6863818), (13, 5279860), (17, 4037540), (20, 3431909), (26, 2639930), (34, 2018770), (52, 1319965), (53, 1295060), (65, 1055972), (68, 1009385), (85, 807508), (106, 647530), (130, 527986), (170, 403754), (212, 323765), (221, 310580), (260, 263993), (265, 259012), (293, 234260), (340, 201877), (442, 155290), (530, 129506), (586, 117130), (689, 99620), (884, 77645), (901, 76180), (1060, 64753), (1105, 62116), (1172, 58565), (1378, 49810), (1465, 46852), (1802, 38090), (2210, 31058), (2756, 24905), (2930, 23426), (3445, 19924), (3604, 19045), (3809, 18020), (4420, 15529), (4505, 15236), (4981, 13780), (5860, 11713), (6890, 9962), (7618, 9010)]