263291220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{3491}}^1$

素因数の和:3925

約数の個数: 72

約数和(自身を含む): 800785440

約数和(自身を除く): 537494220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 419, 838, 1257, 1676, 2095, 2514, 3491, 3771, 4190, 5028, 6285, 6982, 7542, 8380, 10473, 12570, 13964, 15084, 17455, 18855, 20946, 25140, 31419, 34910, 37710, 41892, 52365, 62838, 69820, 75420, 104730, 125676, 157095, 209460, 314190, 628380, 1462729, 2925458, 4388187, 5850916, 7313645, 8776374, 13164561, 14627290, 17552748, 21940935, 26329122, 29254580, 43881870, 52658244, 65822805, 87763740, 131645610, 263291220]

約数ペア:

[(1, 263291220), (2, 131645610), (3, 87763740), (4, 65822805), (5, 52658244), (6, 43881870), (9, 29254580), (10, 26329122), (12, 21940935), (15, 17552748), (18, 14627290), (20, 13164561), (30, 8776374), (36, 7313645), (45, 5850916), (60, 4388187), (90, 2925458), (180, 1462729), (419, 628380), (838, 314190), (1257, 209460), (1676, 157095), (2095, 125676), (2514, 104730), (3491, 75420), (3771, 69820), (4190, 62838), (5028, 52365), (6285, 41892), (6982, 37710), (7542, 34910), (8380, 31419), (10473, 25140), (12570, 20946), (13964, 18855), (15084, 17455)]