278375220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{3691}}^1$

素因数の和:4125

約数の個数: 72

約数和(自身を含む): 846649440

約数和(自身を除く): 568274220

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, 3691, 3771, 4190, 5028, 6285, 7382, 7542, 8380, 11073, 12570, 14764, 15084, 18455, 18855, 22146, 25140, 33219, 36910, 37710, 44292, 55365, 66438, 73820, 75420, 110730, 132876, 166095, 221460, 332190, 664380, 1546529, 3093058, 4639587, 6186116, 7732645, 9279174, 13918761, 15465290, 18558348, 23197935, 27837522, 30930580, 46395870, 55675044, 69593805, 92791740, 139187610, 278375220]

約数ペア:

[(1, 278375220), (2, 139187610), (3, 92791740), (4, 69593805), (5, 55675044), (6, 46395870), (9, 30930580), (10, 27837522), (12, 23197935), (15, 18558348), (18, 15465290), (20, 13918761), (30, 9279174), (36, 7732645), (45, 6186116), (60, 4639587), (90, 3093058), (180, 1546529), (419, 664380), (838, 332190), (1257, 221460), (1676, 166095), (2095, 132876), (2514, 110730), (3691, 75420), (3771, 73820), (4190, 66438), (5028, 55365), (6285, 44292), (7382, 37710), (7542, 36910), (8380, 33219), (11073, 25140), (12570, 22146), (14764, 18855), (15084, 18455)]