79925560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 215006400

約数和(自身を除く): 135080840

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 89, 104, 110, 130, 143, 157, 178, 220, 260, 286, 314, 356, 440, 445, 520, 572, 628, 712, 715, 785, 890, 979, 1144, 1157, 1256, 1430, 1570, 1727, 1780, 1958, 2041, 2314, 2860, 3140, 3454, 3560, 3916, 4082, 4628, 4895, 5720, 5785, 6280, 6908, 7832, 8164, 8635, 9256, 9790, 10205, 11570, 12727, 13816, 13973, 16328, 17270, 19580, 20410, 22451, 23140, 25454, 27946, 34540, 39160, 40820, 44902, 46280, 50908, 55892, 63635, 69080, 69865, 81640, 89804, 101816, 111784, 112255, 127270, 139730, 153703, 179608, 181649, 224510, 254540, 279460, 307406, 363298, 449020, 509080, 558920, 614812, 726596, 768515, 898040, 908245, 1229624, 1453192, 1537030, 1816490, 1998139, 3074060, 3632980, 3996278, 6148120, 7265960, 7992556, 9990695, 15985112, 19981390, 39962780, 79925560]

約数ペア:

[(1, 79925560), (2, 39962780), (4, 19981390), (5, 15985112), (8, 9990695), (10, 7992556), (11, 7265960), (13, 6148120), (20, 3996278), (22, 3632980), (26, 3074060), (40, 1998139), (44, 1816490), (52, 1537030), (55, 1453192), (65, 1229624), (88, 908245), (89, 898040), (104, 768515), (110, 726596), (130, 614812), (143, 558920), (157, 509080), (178, 449020), (220, 363298), (260, 307406), (286, 279460), (314, 254540), (356, 224510), (440, 181649), (445, 179608), (520, 153703), (572, 139730), (628, 127270), (712, 112255), (715, 111784), (785, 101816), (890, 89804), (979, 81640), (1144, 69865), (1157, 69080), (1256, 63635), (1430, 55892), (1570, 50908), (1727, 46280), (1780, 44902), (1958, 40820), (2041, 39160), (2314, 34540), (2860, 27946), (3140, 25454), (3454, 23140), (3560, 22451), (3916, 20410), (4082, 19580), (4628, 17270), (4895, 16328), (5720, 13973), (5785, 13816), (6280, 12727), (6908, 11570), (7832, 10205), (8164, 9790), (8635, 9256)]