30681840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{2609}}^1$

素因数の和:2639

約数の個数: 120

約数和(自身を含む): 110684880

約数和(自身を除く): 80003040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2609, 2940, 3920, 5218, 5880, 7827, 10436, 11760, 13045, 15654, 18263, 20872, 26090, 31308, 36526, 39135, 41744, 52180, 54789, 62616, 73052, 78270, 91315, 104360, 109578, 125232, 127841, 146104, 156540, 182630, 208720, 219156, 255682, 273945, 292208, 313080, 365260, 383523, 438312, 511364, 547890, 626160, 639205, 730520, 767046, 876624, 1022728, 1095780, 1278410, 1461040, 1534092, 1917615, 2045456, 2191560, 2556820, 3068184, 3835230, 4383120, 5113640, 6136368, 7670460, 10227280, 15340920, 30681840]

約数ペア:

[(1, 30681840), (2, 15340920), (3, 10227280), (4, 7670460), (5, 6136368), (6, 5113640), (7, 4383120), (8, 3835230), (10, 3068184), (12, 2556820), (14, 2191560), (15, 2045456), (16, 1917615), (20, 1534092), (21, 1461040), (24, 1278410), (28, 1095780), (30, 1022728), (35, 876624), (40, 767046), (42, 730520), (48, 639205), (49, 626160), (56, 547890), (60, 511364), (70, 438312), (80, 383523), (84, 365260), (98, 313080), (105, 292208), (112, 273945), (120, 255682), (140, 219156), (147, 208720), (168, 182630), (196, 156540), (210, 146104), (240, 127841), (245, 125232), (280, 109578), (294, 104360), (336, 91315), (392, 78270), (420, 73052), (490, 62616), (560, 54789), (588, 52180), (735, 41744), (784, 39135), (840, 36526), (980, 31308), (1176, 26090), (1470, 20872), (1680, 18263), (1960, 15654), (2352, 13045), (2609, 11760), (2940, 10436), (3920, 7827), (5218, 5880)]