156987168125

素因数分解:

$5^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{2837}}^1$

素因数の和:3000

約数の個数: 80

約数和(自身を含む): 210654069120

約数和(自身を除く): 53666900995

約数列:

[1, 5, 25, 29, 43, 71, 125, 145, 215, 355, 625, 725, 1075, 1247, 1775, 2059, 2837, 3053, 3625, 5375, 6235, 8875, 10295, 14185, 15265, 18125, 26875, 31175, 44375, 51475, 70925, 76325, 82273, 88537, 121991, 155875, 201427, 257375, 354625, 381625, 411365, 442685, 609955, 779375, 1007135, 1286875, 1773125, 1908125, 2056825, 2213425, 3049775, 3537739, 5035675, 5841383, 8661361, 10284125, 11067125, 15248875, 17688695, 25178375, 29206915, 43306805, 51420625, 55335625, 76244375, 88443475, 125891875, 146034575, 216534025, 251179469, 442217375, 730172875, 1082670125, 1255897345, 2211086875, 3650864375, 5413350625, 6279486725, 31397433625, 156987168125]

約数ペア:

[(1, 156987168125), (5, 31397433625), (25, 6279486725), (29, 5413350625), (43, 3650864375), (71, 2211086875), (125, 1255897345), (145, 1082670125), (215, 730172875), (355, 442217375), (625, 251179469), (725, 216534025), (1075, 146034575), (1247, 125891875), (1775, 88443475), (2059, 76244375), (2837, 55335625), (3053, 51420625), (3625, 43306805), (5375, 29206915), (6235, 25178375), (8875, 17688695), (10295, 15248875), (14185, 11067125), (15265, 10284125), (18125, 8661361), (26875, 5841383), (31175, 5035675), (44375, 3537739), (51475, 3049775), (70925, 2213425), (76325, 2056825), (82273, 1908125), (88537, 1773125), (121991, 1286875), (155875, 1007135), (201427, 779375), (257375, 609955), (354625, 442685), (381625, 411365)]