81069900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{181}}^1\times {\mathrm{1493}}^1$

素因数の和:1691

約数の個数: 72

約数和(自身を含む): 236016144

約数和(自身を除く): 154946244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 181, 300, 362, 543, 724, 905, 1086, 1493, 1810, 2172, 2715, 2986, 3620, 4479, 4525, 5430, 5972, 7465, 8958, 9050, 10860, 13575, 14930, 17916, 18100, 22395, 27150, 29860, 37325, 44790, 54300, 74650, 89580, 111975, 149300, 223950, 270233, 447900, 540466, 810699, 1080932, 1351165, 1621398, 2702330, 3242796, 4053495, 5404660, 6755825, 8106990, 13511650, 16213980, 20267475, 27023300, 40534950, 81069900]

約数ペア:

[(1, 81069900), (2, 40534950), (3, 27023300), (4, 20267475), (5, 16213980), (6, 13511650), (10, 8106990), (12, 6755825), (15, 5404660), (20, 4053495), (25, 3242796), (30, 2702330), (50, 1621398), (60, 1351165), (75, 1080932), (100, 810699), (150, 540466), (181, 447900), (300, 270233), (362, 223950), (543, 149300), (724, 111975), (905, 89580), (1086, 74650), (1493, 54300), (1810, 44790), (2172, 37325), (2715, 29860), (2986, 27150), (3620, 22395), (4479, 18100), (4525, 17916), (5430, 14930), (5972, 13575), (7465, 10860), (8958, 9050)]