77138490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17981}}^1$

素因数の和:18015

約数の個数: 64

約数和(自身を含む): 217510272

約数和(自身を除く): 140371782

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 195, 286, 330, 390, 429, 715, 858, 1430, 2145, 4290, 17981, 35962, 53943, 89905, 107886, 179810, 197791, 233753, 269715, 395582, 467506, 539430, 593373, 701259, 988955, 1168765, 1186746, 1402518, 1977910, 2337530, 2571283, 2966865, 3506295, 5142566, 5933730, 7012590, 7713849, 12856415, 15427698, 25712830, 38569245, 77138490]

約数ペア:

[(1, 77138490), (2, 38569245), (3, 25712830), (5, 15427698), (6, 12856415), (10, 7713849), (11, 7012590), (13, 5933730), (15, 5142566), (22, 3506295), (26, 2966865), (30, 2571283), (33, 2337530), (39, 1977910), (55, 1402518), (65, 1186746), (66, 1168765), (78, 988955), (110, 701259), (130, 593373), (143, 539430), (165, 467506), (195, 395582), (286, 269715), (330, 233753), (390, 197791), (429, 179810), (715, 107886), (858, 89905), (1430, 53943), (2145, 35962), (4290, 17981)]