72157770

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:317

約数の個数: 128

約数和(自身を含む): 204871680

約数和(自身を除く): 132713910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 37, 45, 54, 62, 74, 90, 93, 111, 135, 155, 185, 186, 222, 233, 270, 279, 310, 333, 370, 465, 466, 555, 558, 666, 699, 837, 930, 999, 1110, 1147, 1165, 1395, 1398, 1665, 1674, 1998, 2097, 2294, 2330, 2790, 3330, 3441, 3495, 4185, 4194, 4995, 5735, 6291, 6882, 6990, 7223, 8370, 8621, 9990, 10323, 10485, 11470, 12582, 14446, 17205, 17242, 20646, 20970, 21669, 25863, 30969, 31455, 34410, 36115, 43105, 43338, 51615, 51726, 61938, 62910, 65007, 72230, 77589, 86210, 103230, 108345, 129315, 130014, 154845, 155178, 195021, 216690, 232767, 258630, 267251, 309690, 325035, 387945, 390042, 465534, 534502, 650070, 775890, 801753, 975105, 1163835, 1336255, 1603506, 1950210, 2327670, 2405259, 2672510, 4008765, 4810518, 7215777, 8017530, 12026295, 14431554, 24052590, 36078885, 72157770]

約数ペア:

[(1, 72157770), (2, 36078885), (3, 24052590), (5, 14431554), (6, 12026295), (9, 8017530), (10, 7215777), (15, 4810518), (18, 4008765), (27, 2672510), (30, 2405259), (31, 2327670), (37, 1950210), (45, 1603506), (54, 1336255), (62, 1163835), (74, 975105), (90, 801753), (93, 775890), (111, 650070), (135, 534502), (155, 465534), (185, 390042), (186, 387945), (222, 325035), (233, 309690), (270, 267251), (279, 258630), (310, 232767), (333, 216690), (370, 195021), (465, 155178), (466, 154845), (555, 130014), (558, 129315), (666, 108345), (699, 103230), (837, 86210), (930, 77589), (999, 72230), (1110, 65007), (1147, 62910), (1165, 61938), (1395, 51726), (1398, 51615), (1665, 43338), (1674, 43105), (1998, 36115), (2097, 34410), (2294, 31455), (2330, 30969), (2790, 25863), (3330, 21669), (3441, 20970), (3495, 20646), (4185, 17242), (4194, 17205), (4995, 14446), (5735, 12582), (6291, 11470), (6882, 10485), (6990, 10323), (7223, 9990), (8370, 8621)]