81445630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{757}}^1$

素因数の和:853

約数の個数: 64

約数和(自身を含む): 176826240

約数和(自身を除く): 95380610

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 53, 58, 70, 106, 145, 203, 265, 290, 371, 406, 530, 742, 757, 1015, 1514, 1537, 1855, 2030, 3074, 3710, 3785, 5299, 7570, 7685, 10598, 10759, 15370, 21518, 21953, 26495, 40121, 43906, 52990, 53795, 80242, 107590, 109765, 153671, 200605, 219530, 280847, 307342, 401210, 561694, 768355, 1163509, 1404235, 1536710, 2327018, 2808470, 5817545, 8144563, 11635090, 16289126, 40722815, 81445630]

約数ペア:

[(1, 81445630), (2, 40722815), (5, 16289126), (7, 11635090), (10, 8144563), (14, 5817545), (29, 2808470), (35, 2327018), (53, 1536710), (58, 1404235), (70, 1163509), (106, 768355), (145, 561694), (203, 401210), (265, 307342), (290, 280847), (371, 219530), (406, 200605), (530, 153671), (742, 109765), (757, 107590), (1015, 80242), (1514, 53795), (1537, 52990), (1855, 43906), (2030, 40121), (3074, 26495), (3710, 21953), (3785, 21518), (5299, 15370), (7570, 10759), (7685, 10598)]