15977556

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 50319360

約数和(自身を除く): 34341804

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 47, 57, 63, 71, 76, 84, 94, 114, 126, 133, 141, 142, 171, 188, 213, 228, 252, 266, 282, 284, 329, 342, 399, 423, 426, 497, 532, 564, 639, 658, 684, 798, 846, 852, 893, 987, 994, 1197, 1278, 1316, 1349, 1491, 1596, 1692, 1786, 1974, 1988, 2394, 2556, 2679, 2698, 2961, 2982, 3337, 3572, 3948, 4047, 4473, 4788, 5358, 5396, 5922, 5964, 6251, 6674, 8037, 8094, 8946, 9443, 10011, 10716, 11844, 12141, 12502, 13348, 16074, 16188, 17892, 18753, 18886, 20022, 23359, 24282, 25004, 28329, 30033, 32148, 37506, 37772, 40044, 46718, 48564, 56259, 56658, 60066, 63403, 70077, 75012, 84987, 93436, 112518, 113316, 120132, 126806, 140154, 169974, 190209, 210231, 225036, 253612, 280308, 339948, 380418, 420462, 443821, 570627, 760836, 840924, 887642, 1141254, 1331463, 1775284, 2282508, 2662926, 3994389, 5325852, 7988778, 15977556]

約数ペア:

[(1, 15977556), (2, 7988778), (3, 5325852), (4, 3994389), (6, 2662926), (7, 2282508), (9, 1775284), (12, 1331463), (14, 1141254), (18, 887642), (19, 840924), (21, 760836), (28, 570627), (36, 443821), (38, 420462), (42, 380418), (47, 339948), (57, 280308), (63, 253612), (71, 225036), (76, 210231), (84, 190209), (94, 169974), (114, 140154), (126, 126806), (133, 120132), (141, 113316), (142, 112518), (171, 93436), (188, 84987), (213, 75012), (228, 70077), (252, 63403), (266, 60066), (282, 56658), (284, 56259), (329, 48564), (342, 46718), (399, 40044), (423, 37772), (426, 37506), (497, 32148), (532, 30033), (564, 28329), (639, 25004), (658, 24282), (684, 23359), (798, 20022), (846, 18886), (852, 18753), (893, 17892), (987, 16188), (994, 16074), (1197, 13348), (1278, 12502), (1316, 12141), (1349, 11844), (1491, 10716), (1596, 10011), (1692, 9443), (1786, 8946), (1974, 8094), (1988, 8037), (2394, 6674), (2556, 6251), (2679, 5964), (2698, 5922), (2961, 5396), (2982, 5358), (3337, 4788), (3572, 4473), (3948, 4047)]