81015270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:350

約数の個数: 128

約数和(自身を含む): 235146240

約数和(自身を除く): 154130970

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 53, 58, 70, 87, 105, 106, 145, 159, 174, 203, 210, 251, 265, 290, 318, 371, 406, 435, 502, 530, 609, 742, 753, 795, 870, 1015, 1113, 1218, 1255, 1506, 1537, 1590, 1757, 1855, 2030, 2226, 2510, 3045, 3074, 3514, 3710, 3765, 4611, 5271, 5565, 6090, 7279, 7530, 7685, 8785, 9222, 10542, 10759, 11130, 13303, 14558, 15370, 17570, 21518, 21837, 23055, 26355, 26606, 32277, 36395, 39909, 43674, 46110, 50953, 52710, 53795, 64554, 66515, 72790, 79818, 93121, 101906, 107590, 109185, 133030, 152859, 161385, 186242, 199545, 218370, 254765, 279363, 305718, 322770, 385787, 399090, 465605, 509530, 558726, 764295, 771574, 931210, 1157361, 1396815, 1528590, 1928935, 2314722, 2700509, 2793630, 3857870, 5401018, 5786805, 8101527, 11573610, 13502545, 16203054, 27005090, 40507635, 81015270]

約数ペア:

[(1, 81015270), (2, 40507635), (3, 27005090), (5, 16203054), (6, 13502545), (7, 11573610), (10, 8101527), (14, 5786805), (15, 5401018), (21, 3857870), (29, 2793630), (30, 2700509), (35, 2314722), (42, 1928935), (53, 1528590), (58, 1396815), (70, 1157361), (87, 931210), (105, 771574), (106, 764295), (145, 558726), (159, 509530), (174, 465605), (203, 399090), (210, 385787), (251, 322770), (265, 305718), (290, 279363), (318, 254765), (371, 218370), (406, 199545), (435, 186242), (502, 161385), (530, 152859), (609, 133030), (742, 109185), (753, 107590), (795, 101906), (870, 93121), (1015, 79818), (1113, 72790), (1218, 66515), (1255, 64554), (1506, 53795), (1537, 52710), (1590, 50953), (1757, 46110), (1855, 43674), (2030, 39909), (2226, 36395), (2510, 32277), (3045, 26606), (3074, 26355), (3514, 23055), (3710, 21837), (3765, 21518), (4611, 17570), (5271, 15370), (5565, 14558), (6090, 13303), (7279, 11130), (7530, 10759), (7685, 10542), (8785, 9222)]