321998760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{751}}^1$

素因数の和:1168

約数の個数: 128

約数和(自身を含む): 1077465600

約数和(自身を除く): 755466840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 397, 540, 751, 794, 1080, 1191, 1502, 1588, 1985, 2253, 2382, 3004, 3176, 3573, 3755, 3970, 4506, 4764, 5955, 6008, 6759, 7146, 7510, 7940, 9012, 9528, 10719, 11265, 11910, 13518, 14292, 15020, 15880, 17865, 18024, 20277, 21438, 22530, 23820, 27036, 28584, 30040, 33795, 35730, 40554, 42876, 45060, 47640, 53595, 54072, 67590, 71460, 81108, 85752, 90120, 101385, 107190, 135180, 142920, 162216, 202770, 214380, 270360, 298147, 405540, 428760, 596294, 811080, 894441, 1192588, 1490735, 1788882, 2385176, 2683323, 2981470, 3577764, 4472205, 5366646, 5962940, 7155528, 8049969, 8944410, 10733292, 11925880, 13416615, 16099938, 17888820, 21466584, 26833230, 32199876, 35777640, 40249845, 53666460, 64399752, 80499690, 107332920, 160999380, 321998760]

約数ペア:

[(1, 321998760), (2, 160999380), (3, 107332920), (4, 80499690), (5, 64399752), (6, 53666460), (8, 40249845), (9, 35777640), (10, 32199876), (12, 26833230), (15, 21466584), (18, 17888820), (20, 16099938), (24, 13416615), (27, 11925880), (30, 10733292), (36, 8944410), (40, 8049969), (45, 7155528), (54, 5962940), (60, 5366646), (72, 4472205), (90, 3577764), (108, 2981470), (120, 2683323), (135, 2385176), (180, 1788882), (216, 1490735), (270, 1192588), (360, 894441), (397, 811080), (540, 596294), (751, 428760), (794, 405540), (1080, 298147), (1191, 270360), (1502, 214380), (1588, 202770), (1985, 162216), (2253, 142920), (2382, 135180), (3004, 107190), (3176, 101385), (3573, 90120), (3755, 85752), (3970, 81108), (4506, 71460), (4764, 67590), (5955, 54072), (6008, 53595), (6759, 47640), (7146, 45060), (7510, 42876), (7940, 40554), (9012, 35730), (9528, 33795), (10719, 30040), (11265, 28584), (11910, 27036), (13518, 23820), (14292, 22530), (15020, 21438), (15880, 20277), (17865, 18024)]