68254575

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 124253952

約数和(自身を除く): 55999377

約数列:

[1, 3, 5, 15, 17, 25, 47, 51, 67, 75, 85, 141, 201, 235, 255, 289, 335, 425, 705, 799, 867, 1005, 1139, 1175, 1275, 1445, 1675, 2397, 3149, 3417, 3525, 3995, 4335, 5025, 5695, 7225, 9447, 11985, 13583, 15745, 17085, 19363, 19975, 21675, 28475, 40749, 47235, 53533, 58089, 59925, 67915, 78725, 85425, 96815, 160599, 203745, 236175, 267665, 290445, 339575, 484075, 802995, 910061, 1018725, 1338325, 1452225, 2730183, 4014975, 4550305, 13650915, 22751525, 68254575]

約数ペア:

[(1, 68254575), (3, 22751525), (5, 13650915), (15, 4550305), (17, 4014975), (25, 2730183), (47, 1452225), (51, 1338325), (67, 1018725), (75, 910061), (85, 802995), (141, 484075), (201, 339575), (235, 290445), (255, 267665), (289, 236175), (335, 203745), (425, 160599), (705, 96815), (799, 85425), (867, 78725), (1005, 67915), (1139, 59925), (1175, 58089), (1275, 53533), (1445, 47235), (1675, 40749), (2397, 28475), (3149, 21675), (3417, 19975), (3525, 19363), (3995, 17085), (4335, 15745), (5025, 13583), (5695, 11985), (7225, 9447)]