31494240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{21871}}^1$

素因数の和:21892

約数の個数: 72

約数和(自身を含む): 107479008

約数和(自身を除く): 75984768

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, 21871, 43742, 65613, 87484, 109355, 131226, 174968, 196839, 218710, 262452, 328065, 349936, 393678, 437420, 524904, 656130, 699872, 787356, 874840, 984195, 1049808, 1312260, 1574712, 1749680, 1968390, 2099616, 2624520, 3149424, 3499360, 3936780, 5249040, 6298848, 7873560, 10498080, 15747120, 31494240]

約数ペア:

[(1, 31494240), (2, 15747120), (3, 10498080), (4, 7873560), (5, 6298848), (6, 5249040), (8, 3936780), (9, 3499360), (10, 3149424), (12, 2624520), (15, 2099616), (16, 1968390), (18, 1749680), (20, 1574712), (24, 1312260), (30, 1049808), (32, 984195), (36, 874840), (40, 787356), (45, 699872), (48, 656130), (60, 524904), (72, 437420), (80, 393678), (90, 349936), (96, 328065), (120, 262452), (144, 218710), (160, 196839), (180, 174968), (240, 131226), (288, 109355), (360, 87484), (480, 65613), (720, 43742), (1440, 21871)]