78802360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21649}}^1$

素因数の和:21680

約数の個数: 64

約数和(自身を含む): 218232000

約数和(自身を除く): 139429640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 21649, 43298, 86596, 108245, 151543, 173192, 216490, 281437, 303086, 432980, 562874, 606172, 757715, 865960, 1125748, 1212344, 1407185, 1515430, 1970059, 2251496, 2814370, 3030860, 3940118, 5628740, 6061720, 7880236, 9850295, 11257480, 15760472, 19700590, 39401180, 78802360]

約数ペア:

[(1, 78802360), (2, 39401180), (4, 19700590), (5, 15760472), (7, 11257480), (8, 9850295), (10, 7880236), (13, 6061720), (14, 5628740), (20, 3940118), (26, 3030860), (28, 2814370), (35, 2251496), (40, 1970059), (52, 1515430), (56, 1407185), (65, 1212344), (70, 1125748), (91, 865960), (104, 757715), (130, 606172), (140, 562874), (182, 432980), (260, 303086), (280, 281437), (364, 216490), (455, 173192), (520, 151543), (728, 108245), (910, 86596), (1820, 43298), (3640, 21649)]