81831150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{4229}}^1$

素因数の和:4290

約数の個数: 72

約数和(自身を含む): 225019080

約数和(自身を除く): 143187930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 43, 45, 50, 75, 86, 90, 129, 150, 215, 225, 258, 387, 430, 450, 645, 774, 1075, 1290, 1935, 2150, 3225, 3870, 4229, 6450, 8458, 9675, 12687, 19350, 21145, 25374, 38061, 42290, 63435, 76122, 105725, 126870, 181847, 190305, 211450, 317175, 363694, 380610, 545541, 634350, 909235, 951525, 1091082, 1636623, 1818470, 1903050, 2727705, 3273246, 4546175, 5455410, 8183115, 9092350, 13638525, 16366230, 27277050, 40915575, 81831150]

約数ペア:

[(1, 81831150), (2, 40915575), (3, 27277050), (5, 16366230), (6, 13638525), (9, 9092350), (10, 8183115), (15, 5455410), (18, 4546175), (25, 3273246), (30, 2727705), (43, 1903050), (45, 1818470), (50, 1636623), (75, 1091082), (86, 951525), (90, 909235), (129, 634350), (150, 545541), (215, 380610), (225, 363694), (258, 317175), (387, 211450), (430, 190305), (450, 181847), (645, 126870), (774, 105725), (1075, 76122), (1290, 63435), (1935, 42290), (2150, 38061), (3225, 25374), (3870, 21145), (4229, 19350), (6450, 12687), (8458, 9675)]