15671960875

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{557}}^1$

素因数の和:793

約数の個数: 64

約数和(自身を含む): 20757814272

約数和(自身を除く): 5085853397

約数列:

[1, 5, 25, 31, 53, 125, 137, 155, 265, 557, 685, 775, 1325, 1643, 2785, 3425, 3875, 4247, 6625, 7261, 8215, 13925, 17125, 17267, 21235, 29521, 36305, 41075, 69625, 76309, 86335, 106175, 147605, 181525, 205375, 225091, 381545, 431675, 530875, 738025, 907625, 915151, 1125455, 1907725, 2158375, 2365579, 3690125, 4044377, 4575755, 5627275, 9538625, 11827895, 20221885, 22878775, 28136375, 59139475, 101109425, 114393875, 125375687, 295697375, 505547125, 626878435, 3134392175, 15671960875]

約数ペア:

[(1, 15671960875), (5, 3134392175), (25, 626878435), (31, 505547125), (53, 295697375), (125, 125375687), (137, 114393875), (155, 101109425), (265, 59139475), (557, 28136375), (685, 22878775), (775, 20221885), (1325, 11827895), (1643, 9538625), (2785, 5627275), (3425, 4575755), (3875, 4044377), (4247, 3690125), (6625, 2365579), (7261, 2158375), (8215, 1907725), (13925, 1125455), (17125, 915151), (17267, 907625), (21235, 738025), (29521, 530875), (36305, 431675), (41075, 381545), (69625, 225091), (76309, 205375), (86335, 181525), (106175, 147605)]