1988218080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{1380707}}^1$

素因数の和:1380728

約数の個数: 72

約数和(自身を含む): 6784799112

約数和(自身を除く): 4796581032

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 1380707, 2761414, 4142121, 5522828, 6903535, 8284242, 11045656, 12426363, 13807070, 16568484, 20710605, 22091312, 24852726, 27614140, 33136968, 41421210, 44182624, 49705452, 55228280, 62131815, 66273936, 82842420, 99410904, 110456560, 124263630, 132547872, 165684840, 198821808, 220913120, 248527260, 331369680, 397643616, 497054520, 662739360, 994109040, 1988218080]

約数ペア:

[(1, 1988218080), (2, 994109040), (3, 662739360), (4, 497054520), (5, 397643616), (6, 331369680), (8, 248527260), (9, 220913120), (10, 198821808), (12, 165684840), (15, 132547872), (16, 124263630), (18, 110456560), (20, 99410904), (24, 82842420), (30, 66273936), (32, 62131815), (36, 55228280), (40, 49705452), (45, 44182624), (48, 41421210), (60, 33136968), (72, 27614140), (80, 24852726), (90, 22091312), (96, 20710605), (120, 16568484), (144, 13807070), (160, 12426363), (180, 11045656), (240, 8284242), (288, 6903535), (360, 5522828), (480, 4142121), (720, 2761414), (1440, 1380707)]