180289278

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{3911}}^1$

素因数の和:4129

約数の個数: 48

約数和(自身を含む): 422918496

約数和(自身を除く): 242629218

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 197, 234, 394, 591, 1182, 1773, 2561, 3546, 3911, 5122, 7683, 7822, 11733, 15366, 23049, 23466, 35199, 46098, 50843, 70398, 101686, 152529, 305058, 457587, 770467, 915174, 1540934, 2311401, 4622802, 6934203, 10016071, 13868406, 20032142, 30048213, 60096426, 90144639, 180289278]

約数ペア:

[(1, 180289278), (2, 90144639), (3, 60096426), (6, 30048213), (9, 20032142), (13, 13868406), (18, 10016071), (26, 6934203), (39, 4622802), (78, 2311401), (117, 1540934), (197, 915174), (234, 770467), (394, 457587), (591, 305058), (1182, 152529), (1773, 101686), (2561, 70398), (3546, 50843), (3911, 46098), (5122, 35199), (7683, 23466), (7822, 23049), (11733, 15366)]