280530720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{194813}}^1$

素因数の和:194834

約数の個数: 72

約数和(自身を含む): 957315996

約数和(自身を除く): 676785276

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, 194813, 389626, 584439, 779252, 974065, 1168878, 1558504, 1753317, 1948130, 2337756, 2922195, 3117008, 3506634, 3896260, 4675512, 5844390, 6234016, 7013268, 7792520, 8766585, 9351024, 11688780, 14026536, 15585040, 17533170, 18702048, 23377560, 28053072, 31170080, 35066340, 46755120, 56106144, 70132680, 93510240, 140265360, 280530720]

約数ペア:

[(1, 280530720), (2, 140265360), (3, 93510240), (4, 70132680), (5, 56106144), (6, 46755120), (8, 35066340), (9, 31170080), (10, 28053072), (12, 23377560), (15, 18702048), (16, 17533170), (18, 15585040), (20, 14026536), (24, 11688780), (30, 9351024), (32, 8766585), (36, 7792520), (40, 7013268), (45, 6234016), (48, 5844390), (60, 4675512), (72, 3896260), (80, 3506634), (90, 3117008), (96, 2922195), (120, 2337756), (144, 1948130), (160, 1753317), (180, 1558504), (240, 1168878), (288, 974065), (360, 779252), (480, 584439), (720, 389626), (1440, 194813)]