81109404

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{47}}^1$

素因数の和:137

約数の個数: 144

約数和(自身を含む): 234124800

約数和(自身を除く): 153015396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 29, 36, 38, 47, 54, 57, 58, 76, 87, 94, 108, 114, 116, 141, 171, 174, 188, 228, 261, 282, 342, 348, 423, 513, 522, 551, 564, 684, 783, 841, 846, 893, 1026, 1044, 1102, 1269, 1363, 1566, 1653, 1682, 1692, 1786, 2052, 2204, 2523, 2538, 2679, 2726, 3132, 3306, 3364, 3572, 4089, 4959, 5046, 5076, 5358, 5452, 6612, 7569, 8037, 8178, 9918, 10092, 10716, 12267, 14877, 15138, 15979, 16074, 16356, 19836, 22707, 24111, 24534, 25897, 29754, 30276, 31958, 32148, 36801, 39527, 45414, 47937, 48222, 49068, 51794, 59508, 63916, 73602, 77691, 79054, 90828, 95874, 96444, 103588, 118581, 143811, 147204, 155382, 158108, 191748, 233073, 237162, 287622, 310764, 355743, 431433, 466146, 474324, 575244, 699219, 711486, 751013, 862866, 932292, 1067229, 1398438, 1422972, 1502026, 1725732, 2134458, 2253039, 2796876, 3004052, 4268916, 4506078, 6759117, 9012156, 13518234, 20277351, 27036468, 40554702, 81109404]

約数ペア:

[(1, 81109404), (2, 40554702), (3, 27036468), (4, 20277351), (6, 13518234), (9, 9012156), (12, 6759117), (18, 4506078), (19, 4268916), (27, 3004052), (29, 2796876), (36, 2253039), (38, 2134458), (47, 1725732), (54, 1502026), (57, 1422972), (58, 1398438), (76, 1067229), (87, 932292), (94, 862866), (108, 751013), (114, 711486), (116, 699219), (141, 575244), (171, 474324), (174, 466146), (188, 431433), (228, 355743), (261, 310764), (282, 287622), (342, 237162), (348, 233073), (423, 191748), (513, 158108), (522, 155382), (551, 147204), (564, 143811), (684, 118581), (783, 103588), (841, 96444), (846, 95874), (893, 90828), (1026, 79054), (1044, 77691), (1102, 73602), (1269, 63916), (1363, 59508), (1566, 51794), (1653, 49068), (1682, 48222), (1692, 47937), (1786, 45414), (2052, 39527), (2204, 36801), (2523, 32148), (2538, 31958), (2679, 30276), (2726, 29754), (3132, 25897), (3306, 24534), (3364, 24111), (3572, 22707), (4089, 19836), (4959, 16356), (5046, 16074), (5076, 15979), (5358, 15138), (5452, 14877), (6612, 12267), (7569, 10716), (8037, 10092), (8178, 9918)]