64715940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21149}}^1$

素因数の和:21181

約数の個数: 72

約数和(自身を含む): 207862200

約数和(自身を除く): 143146260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 21149, 42298, 63447, 84596, 105745, 126894, 190341, 211490, 253788, 317235, 359533, 380682, 422980, 634470, 719066, 761364, 951705, 1078599, 1268940, 1438132, 1797665, 1903410, 2157198, 3235797, 3595330, 3806820, 4314396, 5392995, 6471594, 7190660, 10785990, 12943188, 16178985, 21571980, 32357970, 64715940]

約数ペア:

[(1, 64715940), (2, 32357970), (3, 21571980), (4, 16178985), (5, 12943188), (6, 10785990), (9, 7190660), (10, 6471594), (12, 5392995), (15, 4314396), (17, 3806820), (18, 3595330), (20, 3235797), (30, 2157198), (34, 1903410), (36, 1797665), (45, 1438132), (51, 1268940), (60, 1078599), (68, 951705), (85, 761364), (90, 719066), (102, 634470), (153, 422980), (170, 380682), (180, 359533), (204, 317235), (255, 253788), (306, 211490), (340, 190341), (510, 126894), (612, 105745), (765, 84596), (1020, 63447), (1530, 42298), (3060, 21149)]