90551560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:439

約数の個数: 96

約数和(自身を含む): 228818520

約数和(自身を除く): 138266960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 106, 110, 121, 212, 220, 242, 265, 353, 424, 440, 484, 530, 583, 605, 706, 968, 1060, 1166, 1210, 1412, 1765, 2120, 2332, 2420, 2824, 2915, 3530, 3883, 4664, 4840, 5830, 6413, 7060, 7766, 11660, 12826, 14120, 15532, 18709, 19415, 23320, 25652, 31064, 32065, 37418, 38830, 42713, 51304, 64130, 74836, 77660, 85426, 93545, 128260, 149672, 155320, 170852, 187090, 205799, 213565, 256520, 341704, 374180, 411598, 427130, 748360, 823196, 854260, 1028995, 1646392, 1708520, 2057990, 2263789, 4115980, 4527578, 8231960, 9055156, 11318945, 18110312, 22637890, 45275780, 90551560]

約数ペア:

[(1, 90551560), (2, 45275780), (4, 22637890), (5, 18110312), (8, 11318945), (10, 9055156), (11, 8231960), (20, 4527578), (22, 4115980), (40, 2263789), (44, 2057990), (53, 1708520), (55, 1646392), (88, 1028995), (106, 854260), (110, 823196), (121, 748360), (212, 427130), (220, 411598), (242, 374180), (265, 341704), (353, 256520), (424, 213565), (440, 205799), (484, 187090), (530, 170852), (583, 155320), (605, 149672), (706, 128260), (968, 93545), (1060, 85426), (1166, 77660), (1210, 74836), (1412, 64130), (1765, 51304), (2120, 42713), (2332, 38830), (2420, 37418), (2824, 32065), (2915, 31064), (3530, 25652), (3883, 23320), (4664, 19415), (4840, 18709), (5830, 15532), (6413, 14120), (7060, 12826), (7766, 11660)]