81687300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{277}}^1\times {\mathrm{983}}^1$

素因数の和:1277

約数の個数: 72

約数和(自身を含む): 237443136

約数和(自身を除く): 155755836

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 277, 300, 554, 831, 983, 1108, 1385, 1662, 1966, 2770, 2949, 3324, 3932, 4155, 4915, 5540, 5898, 6925, 8310, 9830, 11796, 13850, 14745, 16620, 19660, 20775, 24575, 27700, 29490, 41550, 49150, 58980, 73725, 83100, 98300, 147450, 272291, 294900, 544582, 816873, 1089164, 1361455, 1633746, 2722910, 3267492, 4084365, 5445820, 6807275, 8168730, 13614550, 16337460, 20421825, 27229100, 40843650, 81687300]

約数ペア:

[(1, 81687300), (2, 40843650), (3, 27229100), (4, 20421825), (5, 16337460), (6, 13614550), (10, 8168730), (12, 6807275), (15, 5445820), (20, 4084365), (25, 3267492), (30, 2722910), (50, 1633746), (60, 1361455), (75, 1089164), (100, 816873), (150, 544582), (277, 294900), (300, 272291), (554, 147450), (831, 98300), (983, 83100), (1108, 73725), (1385, 58980), (1662, 49150), (1966, 41550), (2770, 29490), (2949, 27700), (3324, 24575), (3932, 20775), (4155, 19660), (4915, 16620), (5540, 14745), (5898, 13850), (6925, 11796), (8310, 9830)]