31172700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7993}}^1$

素因数の和:8023

約数の個数: 72

約数和(自身を含む): 97143088

約数和(自身を除く): 65970388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 7993, 15986, 23979, 31972, 39965, 47958, 79930, 95916, 103909, 119895, 159860, 199825, 207818, 239790, 311727, 399650, 415636, 479580, 519545, 599475, 623454, 799300, 1039090, 1198950, 1246908, 1558635, 2078180, 2397900, 2597725, 3117270, 5195450, 6234540, 7793175, 10390900, 15586350, 31172700]

約数ペア:

[(1, 31172700), (2, 15586350), (3, 10390900), (4, 7793175), (5, 6234540), (6, 5195450), (10, 3117270), (12, 2597725), (13, 2397900), (15, 2078180), (20, 1558635), (25, 1246908), (26, 1198950), (30, 1039090), (39, 799300), (50, 623454), (52, 599475), (60, 519545), (65, 479580), (75, 415636), (78, 399650), (100, 311727), (130, 239790), (150, 207818), (156, 199825), (195, 159860), (260, 119895), (300, 103909), (325, 95916), (390, 79930), (650, 47958), (780, 39965), (975, 31972), (1300, 23979), (1950, 15986), (3900, 7993)]