21412800

素因数分解:

$2^6\times 3^2\times 5^2\times {\mathrm{1487}}^1$

素因数の和:1515

約数の個数: 126

約数和(自身を含む): 76157328

約数和(自身を除く): 54744528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 120, 144, 150, 160, 180, 192, 200, 225, 240, 288, 300, 320, 360, 400, 450, 480, 576, 600, 720, 800, 900, 960, 1200, 1440, 1487, 1600, 1800, 2400, 2880, 2974, 3600, 4461, 4800, 5948, 7200, 7435, 8922, 11896, 13383, 14400, 14870, 17844, 22305, 23792, 26766, 29740, 35688, 37175, 44610, 47584, 53532, 59480, 66915, 71376, 74350, 89220, 95168, 107064, 111525, 118960, 133830, 142752, 148700, 178440, 214128, 223050, 237920, 267660, 285504, 297400, 334575, 356880, 428256, 446100, 475840, 535320, 594800, 669150, 713760, 856512, 892200, 1070640, 1189600, 1338300, 1427520, 1784400, 2141280, 2379200, 2676600, 3568800, 4282560, 5353200, 7137600, 10706400, 21412800]

約数ペア:

[(1, 21412800), (2, 10706400), (3, 7137600), (4, 5353200), (5, 4282560), (6, 3568800), (8, 2676600), (9, 2379200), (10, 2141280), (12, 1784400), (15, 1427520), (16, 1338300), (18, 1189600), (20, 1070640), (24, 892200), (25, 856512), (30, 713760), (32, 669150), (36, 594800), (40, 535320), (45, 475840), (48, 446100), (50, 428256), (60, 356880), (64, 334575), (72, 297400), (75, 285504), (80, 267660), (90, 237920), (96, 223050), (100, 214128), (120, 178440), (144, 148700), (150, 142752), (160, 133830), (180, 118960), (192, 111525), (200, 107064), (225, 95168), (240, 89220), (288, 74350), (300, 71376), (320, 66915), (360, 59480), (400, 53532), (450, 47584), (480, 44610), (576, 37175), (600, 35688), (720, 29740), (800, 26766), (900, 23792), (960, 22305), (1200, 17844), (1440, 14870), (1487, 14400), (1600, 13383), (1800, 11896), (2400, 8922), (2880, 7435), (2974, 7200), (3600, 5948), (4461, 4800)]