81172500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:243

約数の個数: 120

約数和(自身を含む): 241422720

約数和(自身を除く): 160250220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 79, 100, 125, 137, 150, 158, 237, 250, 274, 300, 316, 375, 395, 411, 474, 500, 548, 625, 685, 750, 790, 822, 948, 1185, 1250, 1370, 1500, 1580, 1644, 1875, 1975, 2055, 2370, 2500, 2740, 3425, 3750, 3950, 4110, 4740, 5925, 6850, 7500, 7900, 8220, 9875, 10275, 10823, 11850, 13700, 17125, 19750, 20550, 21646, 23700, 29625, 32469, 34250, 39500, 41100, 43292, 49375, 51375, 54115, 59250, 64938, 68500, 85625, 98750, 102750, 108230, 118500, 129876, 148125, 162345, 171250, 197500, 205500, 216460, 256875, 270575, 296250, 324690, 342500, 513750, 541150, 592500, 649380, 811725, 1027500, 1082300, 1352875, 1623450, 2705750, 3246900, 4058625, 5411500, 6764375, 8117250, 13528750, 16234500, 20293125, 27057500, 40586250, 81172500]

約数ペア:

[(1, 81172500), (2, 40586250), (3, 27057500), (4, 20293125), (5, 16234500), (6, 13528750), (10, 8117250), (12, 6764375), (15, 5411500), (20, 4058625), (25, 3246900), (30, 2705750), (50, 1623450), (60, 1352875), (75, 1082300), (79, 1027500), (100, 811725), (125, 649380), (137, 592500), (150, 541150), (158, 513750), (237, 342500), (250, 324690), (274, 296250), (300, 270575), (316, 256875), (375, 216460), (395, 205500), (411, 197500), (474, 171250), (500, 162345), (548, 148125), (625, 129876), (685, 118500), (750, 108230), (790, 102750), (822, 98750), (948, 85625), (1185, 68500), (1250, 64938), (1370, 59250), (1500, 54115), (1580, 51375), (1644, 49375), (1875, 43292), (1975, 41100), (2055, 39500), (2370, 34250), (2500, 32469), (2740, 29625), (3425, 23700), (3750, 21646), (3950, 20550), (4110, 19750), (4740, 17125), (5925, 13700), (6850, 11850), (7500, 10823), (7900, 10275), (8220, 9875)]