78391620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1097}}^1$

素因数の和:1509

約数の個数: 72

約数和(自身を含む): 238604184

約数和(自身を除く): 160212564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 397, 794, 1097, 1191, 1588, 1985, 2194, 2382, 3291, 3573, 3970, 4388, 4764, 5485, 5955, 6582, 7146, 7940, 9873, 10970, 11910, 13164, 14292, 16455, 17865, 19746, 21940, 23820, 32910, 35730, 39492, 49365, 65820, 71460, 98730, 197460, 435509, 871018, 1306527, 1742036, 2177545, 2613054, 3919581, 4355090, 5226108, 6532635, 7839162, 8710180, 13065270, 15678324, 19597905, 26130540, 39195810, 78391620]

約数ペア:

[(1, 78391620), (2, 39195810), (3, 26130540), (4, 19597905), (5, 15678324), (6, 13065270), (9, 8710180), (10, 7839162), (12, 6532635), (15, 5226108), (18, 4355090), (20, 3919581), (30, 2613054), (36, 2177545), (45, 1742036), (60, 1306527), (90, 871018), (180, 435509), (397, 197460), (794, 98730), (1097, 71460), (1191, 65820), (1588, 49365), (1985, 39492), (2194, 35730), (2382, 32910), (3291, 23820), (3573, 21940), (3970, 19746), (4388, 17865), (4764, 16455), (5485, 14292), (5955, 13164), (6582, 11910), (7146, 10970), (7940, 9873)]