989874720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{687413}}^1$

素因数の和:687434

約数の個数: 72

約数和(自身を含む): 3377952396

約数和(自身を除く): 2388077676

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, 687413, 1374826, 2062239, 2749652, 3437065, 4124478, 5499304, 6186717, 6874130, 8248956, 10311195, 10998608, 12373434, 13748260, 16497912, 20622390, 21997216, 24746868, 27496520, 30933585, 32995824, 41244780, 49493736, 54993040, 61867170, 65991648, 82489560, 98987472, 109986080, 123734340, 164979120, 197974944, 247468680, 329958240, 494937360, 989874720]

約数ペア:

[(1, 989874720), (2, 494937360), (3, 329958240), (4, 247468680), (5, 197974944), (6, 164979120), (8, 123734340), (9, 109986080), (10, 98987472), (12, 82489560), (15, 65991648), (16, 61867170), (18, 54993040), (20, 49493736), (24, 41244780), (30, 32995824), (32, 30933585), (36, 27496520), (40, 24746868), (45, 21997216), (48, 20622390), (60, 16497912), (72, 13748260), (80, 12373434), (90, 10998608), (96, 10311195), (120, 8248956), (144, 6874130), (160, 6186717), (180, 5499304), (240, 4124478), (288, 3437065), (360, 2749652), (480, 2062239), (720, 1374826), (1440, 687413)]