28707930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{233}}^1$

素因数の和:320

約数の個数: 72

約数和(自身を含む): 77041692

約数和(自身を除く): 48333762

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 74, 90, 111, 185, 222, 233, 333, 370, 466, 555, 666, 699, 1110, 1165, 1369, 1398, 1665, 2097, 2330, 2738, 3330, 3495, 4107, 4194, 6845, 6990, 8214, 8621, 10485, 12321, 13690, 17242, 20535, 20970, 24642, 25863, 41070, 43105, 51726, 61605, 77589, 86210, 123210, 129315, 155178, 258630, 318977, 387945, 637954, 775890, 956931, 1594885, 1913862, 2870793, 3189770, 4784655, 5741586, 9569310, 14353965, 28707930]

約数ペア:

[(1, 28707930), (2, 14353965), (3, 9569310), (5, 5741586), (6, 4784655), (9, 3189770), (10, 2870793), (15, 1913862), (18, 1594885), (30, 956931), (37, 775890), (45, 637954), (74, 387945), (90, 318977), (111, 258630), (185, 155178), (222, 129315), (233, 123210), (333, 86210), (370, 77589), (466, 61605), (555, 51726), (666, 43105), (699, 41070), (1110, 25863), (1165, 24642), (1369, 20970), (1398, 20535), (1665, 17242), (2097, 13690), (2330, 12321), (2738, 10485), (3330, 8621), (3495, 8214), (4107, 6990), (4194, 6845)]