649237120

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{463}}^1$

素因数の和:802

約数の個数: 128

約数和(自身を含む): 1783319040

約数和(自身を除く): 1134081920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 313, 320, 448, 463, 560, 626, 640, 896, 926, 1120, 1252, 1565, 1852, 2191, 2240, 2315, 2504, 3130, 3241, 3704, 4382, 4480, 4630, 5008, 6260, 6482, 7408, 8764, 9260, 10016, 10955, 12520, 12964, 14816, 16205, 17528, 18520, 20032, 21910, 25040, 25928, 29632, 32410, 35056, 37040, 40064, 43820, 50080, 51856, 59264, 64820, 70112, 74080, 87640, 100160, 103712, 129640, 140224, 144919, 148160, 175280, 200320, 207424, 259280, 280448, 289838, 296320, 350560, 414848, 518560, 579676, 701120, 724595, 1014433, 1037120, 1159352, 1402240, 1449190, 2028866, 2074240, 2318704, 2898380, 4057732, 4637408, 5072165, 5796760, 8115464, 9274816, 10144330, 11593520, 16230928, 18549632, 20288660, 23187040, 32461856, 40577320, 46374080, 64923712, 81154640, 92748160, 129847424, 162309280, 324618560, 649237120]

約数ペア:

[(1, 649237120), (2, 324618560), (4, 162309280), (5, 129847424), (7, 92748160), (8, 81154640), (10, 64923712), (14, 46374080), (16, 40577320), (20, 32461856), (28, 23187040), (32, 20288660), (35, 18549632), (40, 16230928), (56, 11593520), (64, 10144330), (70, 9274816), (80, 8115464), (112, 5796760), (128, 5072165), (140, 4637408), (160, 4057732), (224, 2898380), (280, 2318704), (313, 2074240), (320, 2028866), (448, 1449190), (463, 1402240), (560, 1159352), (626, 1037120), (640, 1014433), (896, 724595), (926, 701120), (1120, 579676), (1252, 518560), (1565, 414848), (1852, 350560), (2191, 296320), (2240, 289838), (2315, 280448), (2504, 259280), (3130, 207424), (3241, 200320), (3704, 175280), (4382, 148160), (4480, 144919), (4630, 140224), (5008, 129640), (6260, 103712), (6482, 100160), (7408, 87640), (8764, 74080), (9260, 70112), (10016, 64820), (10955, 59264), (12520, 51856), (12964, 50080), (14816, 43820), (16205, 40064), (17528, 37040), (18520, 35056), (20032, 32410), (21910, 29632), (25040, 25928)]