68505680

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:324

約数の個数: 80

約数和(自身を含む): 164882304

約数和(自身を除く): 96376624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 107, 151, 212, 214, 265, 302, 424, 428, 530, 535, 604, 755, 848, 856, 1060, 1070, 1208, 1510, 1712, 2120, 2140, 2416, 3020, 4240, 4280, 5671, 6040, 8003, 8560, 11342, 12080, 16006, 16157, 22684, 28355, 32012, 32314, 40015, 45368, 56710, 64024, 64628, 80030, 80785, 90736, 113420, 128048, 129256, 160060, 161570, 226840, 258512, 320120, 323140, 453680, 640240, 646280, 856321, 1292560, 1712642, 3425284, 4281605, 6850568, 8563210, 13701136, 17126420, 34252840, 68505680]

約数ペア:

[(1, 68505680), (2, 34252840), (4, 17126420), (5, 13701136), (8, 8563210), (10, 6850568), (16, 4281605), (20, 3425284), (40, 1712642), (53, 1292560), (80, 856321), (106, 646280), (107, 640240), (151, 453680), (212, 323140), (214, 320120), (265, 258512), (302, 226840), (424, 161570), (428, 160060), (530, 129256), (535, 128048), (604, 113420), (755, 90736), (848, 80785), (856, 80030), (1060, 64628), (1070, 64024), (1208, 56710), (1510, 45368), (1712, 40015), (2120, 32314), (2140, 32012), (2416, 28355), (3020, 22684), (4240, 16157), (4280, 16006), (5671, 12080), (6040, 11342), (8003, 8560)]