81291750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{283}}^1\times {\mathrm{383}}^1$

素因数の和:686

約数の個数: 64

約数和(自身を含む): 204152832

約数和(自身を除く): 122861082

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 283, 375, 383, 566, 750, 766, 849, 1149, 1415, 1698, 1915, 2298, 2830, 3830, 4245, 5745, 7075, 8490, 9575, 11490, 14150, 19150, 21225, 28725, 35375, 42450, 47875, 57450, 70750, 95750, 106125, 108389, 143625, 212250, 216778, 287250, 325167, 541945, 650334, 1083890, 1625835, 2709725, 3251670, 5419450, 8129175, 13548625, 16258350, 27097250, 40645875, 81291750]

約数ペア:

[(1, 81291750), (2, 40645875), (3, 27097250), (5, 16258350), (6, 13548625), (10, 8129175), (15, 5419450), (25, 3251670), (30, 2709725), (50, 1625835), (75, 1083890), (125, 650334), (150, 541945), (250, 325167), (283, 287250), (375, 216778), (383, 212250), (566, 143625), (750, 108389), (766, 106125), (849, 95750), (1149, 70750), (1415, 57450), (1698, 47875), (1915, 42450), (2298, 35375), (2830, 28725), (3830, 21225), (4245, 19150), (5745, 14150), (7075, 11490), (8490, 9575)]