31149900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 144

約数和(自身を含む): 102076800

約数和(自身を除く): 70926900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 83, 90, 100, 108, 135, 139, 150, 166, 180, 225, 249, 270, 278, 300, 332, 415, 417, 450, 498, 540, 556, 675, 695, 747, 830, 834, 900, 996, 1245, 1251, 1350, 1390, 1494, 1660, 1668, 2075, 2085, 2241, 2490, 2502, 2700, 2780, 2988, 3475, 3735, 3753, 4150, 4170, 4482, 4980, 5004, 6225, 6255, 6950, 7470, 7506, 8300, 8340, 8964, 10425, 11205, 11537, 12450, 12510, 13900, 14940, 15012, 18675, 18765, 20850, 22410, 23074, 24900, 25020, 31275, 34611, 37350, 37530, 41700, 44820, 46148, 56025, 57685, 62550, 69222, 74700, 75060, 93825, 103833, 112050, 115370, 125100, 138444, 173055, 187650, 207666, 224100, 230740, 288425, 311499, 346110, 375300, 415332, 519165, 576850, 622998, 692220, 865275, 1038330, 1153700, 1245996, 1557495, 1730550, 2076660, 2595825, 3114990, 3461100, 5191650, 6229980, 7787475, 10383300, 15574950, 31149900]

約数ペア:

[(1, 31149900), (2, 15574950), (3, 10383300), (4, 7787475), (5, 6229980), (6, 5191650), (9, 3461100), (10, 3114990), (12, 2595825), (15, 2076660), (18, 1730550), (20, 1557495), (25, 1245996), (27, 1153700), (30, 1038330), (36, 865275), (45, 692220), (50, 622998), (54, 576850), (60, 519165), (75, 415332), (83, 375300), (90, 346110), (100, 311499), (108, 288425), (135, 230740), (139, 224100), (150, 207666), (166, 187650), (180, 173055), (225, 138444), (249, 125100), (270, 115370), (278, 112050), (300, 103833), (332, 93825), (415, 75060), (417, 74700), (450, 69222), (498, 62550), (540, 57685), (556, 56025), (675, 46148), (695, 44820), (747, 41700), (830, 37530), (834, 37350), (900, 34611), (996, 31275), (1245, 25020), (1251, 24900), (1350, 23074), (1390, 22410), (1494, 20850), (1660, 18765), (1668, 18675), (2075, 15012), (2085, 14940), (2241, 13900), (2490, 12510), (2502, 12450), (2700, 11537), (2780, 11205), (2988, 10425), (3475, 8964), (3735, 8340), (3753, 8300), (4150, 7506), (4170, 7470), (4482, 6950), (4980, 6255), (5004, 6225)]