156728658400

素因数分解:

$2^5\times 5^2\times {\mathrm{109}}^1\times {\mathrm{449}}^1\times {\mathrm{4003}}^1$

素因数の和:4581

約数の個数: 144

約数和(自身を含む): 387080694000

約数和(自身を除く): 230352035600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 109, 160, 200, 218, 400, 436, 449, 545, 800, 872, 898, 1090, 1744, 1796, 2180, 2245, 2725, 3488, 3592, 4003, 4360, 4490, 5450, 7184, 8006, 8720, 8980, 10900, 11225, 14368, 16012, 17440, 17960, 20015, 21800, 22450, 32024, 35920, 40030, 43600, 44900, 48941, 64048, 71840, 80060, 87200, 89800, 97882, 100075, 128096, 160120, 179600, 195764, 200150, 244705, 320240, 359200, 391528, 400300, 436327, 489410, 640480, 783056, 800600, 872654, 978820, 1223525, 1566112, 1601200, 1745308, 1797347, 1957640, 2181635, 2447050, 3202400, 3490616, 3594694, 3915280, 4363270, 4894100, 6981232, 7189388, 7830560, 8726540, 8986735, 9788200, 10908175, 13962464, 14378776, 17453080, 17973470, 19576400, 21816350, 28757552, 34906160, 35946940, 39152800, 43632700, 44933675, 57515104, 69812320, 71893880, 87265400, 89867350, 143787760, 174530800, 179734700, 195910823, 287575520, 349061600, 359469400, 391821646, 718938800, 783643292, 979554115, 1437877600, 1567286584, 1959108230, 3134573168, 3918216460, 4897770575, 6269146336, 7836432920, 9795541150, 15672865840, 19591082300, 31345731680, 39182164600, 78364329200, 156728658400]

約数ペア:

[(1, 156728658400), (2, 78364329200), (4, 39182164600), (5, 31345731680), (8, 19591082300), (10, 15672865840), (16, 9795541150), (20, 7836432920), (25, 6269146336), (32, 4897770575), (40, 3918216460), (50, 3134573168), (80, 1959108230), (100, 1567286584), (109, 1437877600), (160, 979554115), (200, 783643292), (218, 718938800), (400, 391821646), (436, 359469400), (449, 349061600), (545, 287575520), (800, 195910823), (872, 179734700), (898, 174530800), (1090, 143787760), (1744, 89867350), (1796, 87265400), (2180, 71893880), (2245, 69812320), (2725, 57515104), (3488, 44933675), (3592, 43632700), (4003, 39152800), (4360, 35946940), (4490, 34906160), (5450, 28757552), (7184, 21816350), (8006, 19576400), (8720, 17973470), (8980, 17453080), (10900, 14378776), (11225, 13962464), (14368, 10908175), (16012, 9788200), (17440, 8986735), (17960, 8726540), (20015, 7830560), (21800, 7189388), (22450, 6981232), (32024, 4894100), (35920, 4363270), (40030, 3915280), (43600, 3594694), (44900, 3490616), (48941, 3202400), (64048, 2447050), (71840, 2181635), (80060, 1957640), (87200, 1797347), (89800, 1745308), (97882, 1601200), (100075, 1566112), (128096, 1223525), (160120, 978820), (179600, 872654), (195764, 800600), (200150, 783056), (244705, 640480), (320240, 489410), (359200, 436327), (391528, 400300)]