81607830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{25423}}^1$

素因数の和:25540

約数の個数: 32

約数和(自身を含む): 197697024

約数和(自身を除く): 116089194

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 107, 214, 321, 535, 642, 1070, 1605, 3210, 25423, 50846, 76269, 127115, 152538, 254230, 381345, 762690, 2720261, 5440522, 8160783, 13601305, 16321566, 27202610, 40803915, 81607830]

約数ペア:

[(1, 81607830), (2, 40803915), (3, 27202610), (5, 16321566), (6, 13601305), (10, 8160783), (15, 5440522), (30, 2720261), (107, 762690), (214, 381345), (321, 254230), (535, 152538), (642, 127115), (1070, 76269), (1605, 50846), (3210, 25423)]