38777580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1021}}^1$

素因数の和:1247

約数の個数: 72

約数和(自身を含む): 118298544

約数和(自身を除く): 79520964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 633, 844, 1021, 1055, 1266, 1899, 2042, 2110, 2532, 3063, 3165, 3798, 4084, 4220, 5105, 6126, 6330, 7596, 9189, 9495, 10210, 12252, 12660, 15315, 18378, 18990, 20420, 30630, 36756, 37980, 45945, 61260, 91890, 183780, 215431, 430862, 646293, 861724, 1077155, 1292586, 1938879, 2154310, 2585172, 3231465, 3877758, 4308620, 6462930, 7755516, 9694395, 12925860, 19388790, 38777580]

約数ペア:

[(1, 38777580), (2, 19388790), (3, 12925860), (4, 9694395), (5, 7755516), (6, 6462930), (9, 4308620), (10, 3877758), (12, 3231465), (15, 2585172), (18, 2154310), (20, 1938879), (30, 1292586), (36, 1077155), (45, 861724), (60, 646293), (90, 430862), (180, 215431), (211, 183780), (422, 91890), (633, 61260), (844, 45945), (1021, 37980), (1055, 36756), (1266, 30630), (1899, 20420), (2042, 18990), (2110, 18378), (2532, 15315), (3063, 12660), (3165, 12252), (3798, 10210), (4084, 9495), (4220, 9189), (5105, 7596), (6126, 6330)]