78131268

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1109}}^1$

素因数の和:1241

約数の個数: 72

約数和(自身を含む): 210100800

約数和(自身を除く): 131969532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 103, 114, 171, 206, 228, 309, 342, 412, 618, 684, 927, 1109, 1236, 1854, 1957, 2218, 3327, 3708, 3914, 4436, 5871, 6654, 7828, 9981, 11742, 13308, 17613, 19962, 21071, 23484, 35226, 39924, 42142, 63213, 70452, 84284, 114227, 126426, 189639, 228454, 252852, 342681, 379278, 456908, 685362, 758556, 1028043, 1370724, 2056086, 2170313, 4112172, 4340626, 6510939, 8681252, 13021878, 19532817, 26043756, 39065634, 78131268]

約数ペア:

[(1, 78131268), (2, 39065634), (3, 26043756), (4, 19532817), (6, 13021878), (9, 8681252), (12, 6510939), (18, 4340626), (19, 4112172), (36, 2170313), (38, 2056086), (57, 1370724), (76, 1028043), (103, 758556), (114, 685362), (171, 456908), (206, 379278), (228, 342681), (309, 252852), (342, 228454), (412, 189639), (618, 126426), (684, 114227), (927, 84284), (1109, 70452), (1236, 63213), (1854, 42142), (1957, 39924), (2218, 35226), (3327, 23484), (3708, 21071), (3914, 19962), (4436, 17613), (5871, 13308), (6654, 11742), (7828, 9981)]