79809520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2689}}^1$

素因数の和:2762

約数の個数: 80

約数和(自身を含む): 216146880

約数和(自身を除く): 136337360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 742, 848, 1060, 1484, 1855, 2120, 2689, 2968, 3710, 4240, 5378, 5936, 7420, 10756, 13445, 14840, 18823, 21512, 26890, 29680, 37646, 43024, 53780, 75292, 94115, 107560, 142517, 150584, 188230, 215120, 285034, 301168, 376460, 570068, 712585, 752920, 997619, 1140136, 1425170, 1505840, 1995238, 2280272, 2850340, 3990476, 4988095, 5700680, 7980952, 9976190, 11401360, 15961904, 19952380, 39904760, 79809520]

約数ペア:

[(1, 79809520), (2, 39904760), (4, 19952380), (5, 15961904), (7, 11401360), (8, 9976190), (10, 7980952), (14, 5700680), (16, 4988095), (20, 3990476), (28, 2850340), (35, 2280272), (40, 1995238), (53, 1505840), (56, 1425170), (70, 1140136), (80, 997619), (106, 752920), (112, 712585), (140, 570068), (212, 376460), (265, 301168), (280, 285034), (371, 215120), (424, 188230), (530, 150584), (560, 142517), (742, 107560), (848, 94115), (1060, 75292), (1484, 53780), (1855, 43024), (2120, 37646), (2689, 29680), (2968, 26890), (3710, 21512), (4240, 18823), (5378, 14840), (5936, 13445), (7420, 10756)]