72782920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13681}}^1$

素因数の和:13718

約数の個数: 64

約数和(自身を含む): 197020800

約数和(自身を除く): 124237880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 13681, 27362, 54724, 68405, 95767, 109448, 136810, 191534, 259939, 273620, 383068, 478835, 519878, 547240, 766136, 957670, 1039756, 1299695, 1819573, 1915340, 2079512, 2599390, 3639146, 3830680, 5198780, 7278292, 9097865, 10397560, 14556584, 18195730, 36391460, 72782920]

約数ペア:

[(1, 72782920), (2, 36391460), (4, 18195730), (5, 14556584), (7, 10397560), (8, 9097865), (10, 7278292), (14, 5198780), (19, 3830680), (20, 3639146), (28, 2599390), (35, 2079512), (38, 1915340), (40, 1819573), (56, 1299695), (70, 1039756), (76, 957670), (95, 766136), (133, 547240), (140, 519878), (152, 478835), (190, 383068), (266, 273620), (280, 259939), (380, 191534), (532, 136810), (665, 109448), (760, 95767), (1064, 68405), (1330, 54724), (2660, 27362), (5320, 13681)]