81210000

素因数分解:

$2^4\times 3^1\times 5^4\times {\mathrm{2707}}^1$

素因数の和:2738

約数の個数: 100

約数和(自身を含む): 262253552

約数和(自身を除く): 181043552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 125, 150, 200, 240, 250, 300, 375, 400, 500, 600, 625, 750, 1000, 1200, 1250, 1500, 1875, 2000, 2500, 2707, 3000, 3750, 5000, 5414, 6000, 7500, 8121, 10000, 10828, 13535, 15000, 16242, 21656, 27070, 30000, 32484, 40605, 43312, 54140, 64968, 67675, 81210, 108280, 129936, 135350, 162420, 203025, 216560, 270700, 324840, 338375, 406050, 541400, 649680, 676750, 812100, 1015125, 1082800, 1353500, 1624200, 1691875, 2030250, 2707000, 3248400, 3383750, 4060500, 5075625, 5414000, 6767500, 8121000, 10151250, 13535000, 16242000, 20302500, 27070000, 40605000, 81210000]

約数ペア:

[(1, 81210000), (2, 40605000), (3, 27070000), (4, 20302500), (5, 16242000), (6, 13535000), (8, 10151250), (10, 8121000), (12, 6767500), (15, 5414000), (16, 5075625), (20, 4060500), (24, 3383750), (25, 3248400), (30, 2707000), (40, 2030250), (48, 1691875), (50, 1624200), (60, 1353500), (75, 1082800), (80, 1015125), (100, 812100), (120, 676750), (125, 649680), (150, 541400), (200, 406050), (240, 338375), (250, 324840), (300, 270700), (375, 216560), (400, 203025), (500, 162420), (600, 135350), (625, 129936), (750, 108280), (1000, 81210), (1200, 67675), (1250, 64968), (1500, 54140), (1875, 43312), (2000, 40605), (2500, 32484), (2707, 30000), (3000, 27070), (3750, 21656), (5000, 16242), (5414, 15000), (6000, 13535), (7500, 10828), (8121, 10000)]