15671728820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1297}}^1\times {\mathrm{4993}}^1$

素因数の和:6321

約数の個数: 72

約数和(自身を含む): 36209636232

約数和(自身を除く): 20537907412

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 1297, 2420, 2594, 4993, 5188, 6485, 9986, 12970, 14267, 19972, 24965, 25940, 28534, 49930, 54923, 57068, 71335, 99860, 109846, 142670, 156937, 219692, 274615, 285340, 313874, 549230, 604153, 627748, 784685, 1098460, 1208306, 1569370, 2416612, 3020765, 3138740, 6041530, 6475921, 12083060, 12951842, 25903684, 32379605, 64759210, 71235131, 129518420, 142470262, 284940524, 356175655, 712351310, 783586441, 1424702620, 1567172882, 3134345764, 3917932205, 7835864410, 15671728820]

約数ペア:

[(1, 15671728820), (2, 7835864410), (4, 3917932205), (5, 3134345764), (10, 1567172882), (11, 1424702620), (20, 783586441), (22, 712351310), (44, 356175655), (55, 284940524), (110, 142470262), (121, 129518420), (220, 71235131), (242, 64759210), (484, 32379605), (605, 25903684), (1210, 12951842), (1297, 12083060), (2420, 6475921), (2594, 6041530), (4993, 3138740), (5188, 3020765), (6485, 2416612), (9986, 1569370), (12970, 1208306), (14267, 1098460), (19972, 784685), (24965, 627748), (25940, 604153), (28534, 549230), (49930, 313874), (54923, 285340), (57068, 274615), (71335, 219692), (99860, 156937), (109846, 142670)]