15691394875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1\times {\mathrm{283}}^1$

素因数の和:689

約数の個数: 64

約数和(自身を含む): 21398832000

約数和(自身を除く): 5707437125

約数列:

[1, 5, 13, 25, 65, 125, 149, 229, 283, 325, 745, 1145, 1415, 1625, 1937, 2977, 3679, 3725, 5725, 7075, 9685, 14885, 18395, 18625, 28625, 34121, 35375, 42167, 48425, 64807, 74425, 91975, 170605, 210835, 242125, 324035, 372125, 443573, 459875, 548171, 842491, 853025, 1054175, 1620175, 2217865, 2740855, 4212455, 4265125, 5270875, 8100875, 9656243, 11089325, 13704275, 21062275, 48281215, 55446625, 68521375, 105311375, 125531159, 241406075, 627655795, 1207030375, 3138278975, 15691394875]

約数ペア:

[(1, 15691394875), (5, 3138278975), (13, 1207030375), (25, 627655795), (65, 241406075), (125, 125531159), (149, 105311375), (229, 68521375), (283, 55446625), (325, 48281215), (745, 21062275), (1145, 13704275), (1415, 11089325), (1625, 9656243), (1937, 8100875), (2977, 5270875), (3679, 4265125), (3725, 4212455), (5725, 2740855), (7075, 2217865), (9685, 1620175), (14885, 1054175), (18395, 853025), (18625, 842491), (28625, 548171), (34121, 459875), (35375, 443573), (42167, 372125), (48425, 324035), (64807, 242125), (74425, 210835), (91975, 170605)]