28083780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{397}}^1$

素因数の和:546

約数の個数: 96

約数和(自身を含む): 88260480

約数和(自身を除く): 60176700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 131, 135, 180, 262, 270, 393, 397, 524, 540, 655, 786, 794, 1179, 1191, 1310, 1572, 1588, 1965, 1985, 2358, 2382, 2620, 3537, 3573, 3930, 3970, 4716, 4764, 5895, 5955, 7074, 7146, 7860, 7940, 10719, 11790, 11910, 14148, 14292, 17685, 17865, 21438, 23580, 23820, 35370, 35730, 42876, 52007, 53595, 70740, 71460, 104014, 107190, 156021, 208028, 214380, 260035, 312042, 468063, 520070, 624084, 780105, 936126, 1040140, 1404189, 1560210, 1872252, 2340315, 2808378, 3120420, 4680630, 5616756, 7020945, 9361260, 14041890, 28083780]

約数ペア:

[(1, 28083780), (2, 14041890), (3, 9361260), (4, 7020945), (5, 5616756), (6, 4680630), (9, 3120420), (10, 2808378), (12, 2340315), (15, 1872252), (18, 1560210), (20, 1404189), (27, 1040140), (30, 936126), (36, 780105), (45, 624084), (54, 520070), (60, 468063), (90, 312042), (108, 260035), (131, 214380), (135, 208028), (180, 156021), (262, 107190), (270, 104014), (393, 71460), (397, 70740), (524, 53595), (540, 52007), (655, 42876), (786, 35730), (794, 35370), (1179, 23820), (1191, 23580), (1310, 21438), (1572, 17865), (1588, 17685), (1965, 14292), (1985, 14148), (2358, 11910), (2382, 11790), (2620, 10719), (3537, 7940), (3573, 7860), (3930, 7146), (3970, 7074), (4716, 5955), (4764, 5895)]