16121517280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{367}}^1\times {\mathrm{2269}}^1$

素因数の和:2673

約数の個数: 144

約数和(自身を含む): 41996888640

約数和(自身を除く): 25875371360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 367, 440, 484, 605, 734, 880, 968, 1210, 1468, 1760, 1835, 1936, 2269, 2420, 2936, 3670, 3872, 4037, 4538, 4840, 5872, 7340, 8074, 9076, 9680, 11345, 11744, 14680, 16148, 18152, 19360, 20185, 22690, 24959, 29360, 32296, 36304, 40370, 44407, 45380, 49918, 58720, 64592, 72608, 80740, 88814, 90760, 99836, 124795, 129184, 161480, 177628, 181520, 199672, 222035, 249590, 274549, 322960, 355256, 363040, 399344, 444070, 499180, 549098, 645920, 710512, 798688, 832723, 888140, 998360, 1098196, 1372745, 1421024, 1665446, 1776280, 1996720, 2196392, 2745490, 3330892, 3552560, 3993440, 4163615, 4392784, 5490980, 6661784, 7105120, 8327230, 8785568, 9159953, 10981960, 13323568, 16654460, 18319906, 21963920, 26647136, 33308920, 36639812, 43927840, 45799765, 66617840, 73279624, 91599530, 100759483, 133235680, 146559248, 183199060, 201518966, 293118496, 366398120, 403037932, 503797415, 732796240, 806075864, 1007594830, 1465592480, 1612151728, 2015189660, 3224303456, 4030379320, 8060758640, 16121517280]

約数ペア:

[(1, 16121517280), (2, 8060758640), (4, 4030379320), (5, 3224303456), (8, 2015189660), (10, 1612151728), (11, 1465592480), (16, 1007594830), (20, 806075864), (22, 732796240), (32, 503797415), (40, 403037932), (44, 366398120), (55, 293118496), (80, 201518966), (88, 183199060), (110, 146559248), (121, 133235680), (160, 100759483), (176, 91599530), (220, 73279624), (242, 66617840), (352, 45799765), (367, 43927840), (440, 36639812), (484, 33308920), (605, 26647136), (734, 21963920), (880, 18319906), (968, 16654460), (1210, 13323568), (1468, 10981960), (1760, 9159953), (1835, 8785568), (1936, 8327230), (2269, 7105120), (2420, 6661784), (2936, 5490980), (3670, 4392784), (3872, 4163615), (4037, 3993440), (4538, 3552560), (4840, 3330892), (5872, 2745490), (7340, 2196392), (8074, 1996720), (9076, 1776280), (9680, 1665446), (11345, 1421024), (11744, 1372745), (14680, 1098196), (16148, 998360), (18152, 888140), (19360, 832723), (20185, 798688), (22690, 710512), (24959, 645920), (29360, 549098), (32296, 499180), (36304, 444070), (40370, 399344), (44407, 363040), (45380, 355256), (49918, 322960), (58720, 274549), (64592, 249590), (72608, 222035), (80740, 199672), (88814, 181520), (90760, 177628), (99836, 161480), (124795, 129184)]