71645700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:446

約数の個数: 144

約数和(自身を含む): 239845760

約数和(自身を除く): 168200060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 109, 140, 150, 175, 210, 218, 300, 313, 327, 350, 420, 436, 525, 545, 626, 654, 700, 763, 939, 1050, 1090, 1252, 1308, 1526, 1565, 1635, 1878, 2100, 2180, 2191, 2289, 2725, 3052, 3130, 3270, 3756, 3815, 4382, 4578, 4695, 5450, 6260, 6540, 6573, 7630, 7825, 8175, 8764, 9156, 9390, 10900, 10955, 11445, 13146, 15260, 15650, 16350, 18780, 19075, 21910, 22890, 23475, 26292, 31300, 32700, 32865, 34117, 38150, 43820, 45780, 46950, 54775, 57225, 65730, 68234, 76300, 93900, 102351, 109550, 114450, 131460, 136468, 164325, 170585, 204702, 219100, 228900, 238819, 328650, 341170, 409404, 477638, 511755, 657300, 682340, 716457, 852925, 955276, 1023510, 1194095, 1432914, 1705850, 2047020, 2388190, 2558775, 2865828, 3411700, 3582285, 4776380, 5117550, 5970475, 7164570, 10235100, 11940950, 14329140, 17911425, 23881900, 35822850, 71645700]

約数ペア:

[(1, 71645700), (2, 35822850), (3, 23881900), (4, 17911425), (5, 14329140), (6, 11940950), (7, 10235100), (10, 7164570), (12, 5970475), (14, 5117550), (15, 4776380), (20, 3582285), (21, 3411700), (25, 2865828), (28, 2558775), (30, 2388190), (35, 2047020), (42, 1705850), (50, 1432914), (60, 1194095), (70, 1023510), (75, 955276), (84, 852925), (100, 716457), (105, 682340), (109, 657300), (140, 511755), (150, 477638), (175, 409404), (210, 341170), (218, 328650), (300, 238819), (313, 228900), (327, 219100), (350, 204702), (420, 170585), (436, 164325), (525, 136468), (545, 131460), (626, 114450), (654, 109550), (700, 102351), (763, 93900), (939, 76300), (1050, 68234), (1090, 65730), (1252, 57225), (1308, 54775), (1526, 46950), (1565, 45780), (1635, 43820), (1878, 38150), (2100, 34117), (2180, 32865), (2191, 32700), (2289, 31300), (2725, 26292), (3052, 23475), (3130, 22890), (3270, 21910), (3756, 19075), (3815, 18780), (4382, 16350), (4578, 15650), (4695, 15260), (5450, 13146), (6260, 11445), (6540, 10955), (6573, 10900), (7630, 9390), (7825, 9156), (8175, 8764)]