30947040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{21491}}^1$

素因数の和:21512

約数の個数: 72

約数和(自身を含む): 105611688

約数和(自身を除く): 74664648

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, 21491, 42982, 64473, 85964, 107455, 128946, 171928, 193419, 214910, 257892, 322365, 343856, 386838, 429820, 515784, 644730, 687712, 773676, 859640, 967095, 1031568, 1289460, 1547352, 1719280, 1934190, 2063136, 2578920, 3094704, 3438560, 3868380, 5157840, 6189408, 7736760, 10315680, 15473520, 30947040]

約数ペア:

[(1, 30947040), (2, 15473520), (3, 10315680), (4, 7736760), (5, 6189408), (6, 5157840), (8, 3868380), (9, 3438560), (10, 3094704), (12, 2578920), (15, 2063136), (16, 1934190), (18, 1719280), (20, 1547352), (24, 1289460), (30, 1031568), (32, 967095), (36, 859640), (40, 773676), (45, 687712), (48, 644730), (60, 515784), (72, 429820), (80, 386838), (90, 343856), (96, 322365), (120, 257892), (144, 214910), (160, 193419), (180, 171928), (240, 128946), (288, 107455), (360, 85964), (480, 64473), (720, 42982), (1440, 21491)]