78177240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{547}}^1$

素因数の和:961

約数の個数: 96

約数和(自身を含む): 255181680

約数和(自身を除く): 177004440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 397, 547, 794, 1094, 1191, 1588, 1641, 1985, 2188, 2382, 2735, 3176, 3282, 3573, 3970, 4376, 4764, 4923, 5470, 5955, 6564, 7146, 7940, 8205, 9528, 9846, 10940, 11910, 13128, 14292, 15880, 16410, 17865, 19692, 21880, 23820, 24615, 28584, 32820, 35730, 39384, 47640, 49230, 65640, 71460, 98460, 142920, 196920, 217159, 434318, 651477, 868636, 1085795, 1302954, 1737272, 1954431, 2171590, 2605908, 3257385, 3908862, 4343180, 5211816, 6514770, 7817724, 8686360, 9772155, 13029540, 15635448, 19544310, 26059080, 39088620, 78177240]

約数ペア:

[(1, 78177240), (2, 39088620), (3, 26059080), (4, 19544310), (5, 15635448), (6, 13029540), (8, 9772155), (9, 8686360), (10, 7817724), (12, 6514770), (15, 5211816), (18, 4343180), (20, 3908862), (24, 3257385), (30, 2605908), (36, 2171590), (40, 1954431), (45, 1737272), (60, 1302954), (72, 1085795), (90, 868636), (120, 651477), (180, 434318), (360, 217159), (397, 196920), (547, 142920), (794, 98460), (1094, 71460), (1191, 65640), (1588, 49230), (1641, 47640), (1985, 39384), (2188, 35730), (2382, 32820), (2735, 28584), (3176, 24615), (3282, 23820), (3573, 21880), (3970, 19692), (4376, 17865), (4764, 16410), (4923, 15880), (5470, 14292), (5955, 13128), (6564, 11910), (7146, 10940), (7940, 9846), (8205, 9528)]