64953990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{751}}^1$

素因数の和:826

約数の個数: 72

約数和(自身を含む): 174736224

約数和(自身を除く): 109782234

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 751, 930, 961, 1395, 1502, 1922, 2253, 2790, 2883, 3755, 4506, 4805, 5766, 6759, 7510, 8649, 9610, 11265, 13518, 14415, 17298, 22530, 23281, 28830, 33795, 43245, 46562, 67590, 69843, 86490, 116405, 139686, 209529, 232810, 349215, 419058, 698430, 721711, 1047645, 1443422, 2095290, 2165133, 3608555, 4330266, 6495399, 7217110, 10825665, 12990798, 21651330, 32476995, 64953990]

約数ペア:

[(1, 64953990), (2, 32476995), (3, 21651330), (5, 12990798), (6, 10825665), (9, 7217110), (10, 6495399), (15, 4330266), (18, 3608555), (30, 2165133), (31, 2095290), (45, 1443422), (62, 1047645), (90, 721711), (93, 698430), (155, 419058), (186, 349215), (279, 232810), (310, 209529), (465, 139686), (558, 116405), (751, 86490), (930, 69843), (961, 67590), (1395, 46562), (1502, 43245), (1922, 33795), (2253, 28830), (2790, 23281), (2883, 22530), (3755, 17298), (4506, 14415), (4805, 13518), (5766, 11265), (6759, 9610), (7510, 8649)]