121991580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1483}}^1$

素因数の和:1955

約数の個数: 72

約数和(自身を含む): 371100912

約数和(自身を除く): 249109332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 457, 914, 1371, 1483, 1828, 2285, 2742, 2966, 4113, 4449, 4570, 5484, 5932, 6855, 7415, 8226, 8898, 9140, 13347, 13710, 14830, 16452, 17796, 20565, 22245, 26694, 27420, 29660, 41130, 44490, 53388, 66735, 82260, 88980, 133470, 266940, 677731, 1355462, 2033193, 2710924, 3388655, 4066386, 6099579, 6777310, 8132772, 10165965, 12199158, 13554620, 20331930, 24398316, 30497895, 40663860, 60995790, 121991580]

約数ペア:

[(1, 121991580), (2, 60995790), (3, 40663860), (4, 30497895), (5, 24398316), (6, 20331930), (9, 13554620), (10, 12199158), (12, 10165965), (15, 8132772), (18, 6777310), (20, 6099579), (30, 4066386), (36, 3388655), (45, 2710924), (60, 2033193), (90, 1355462), (180, 677731), (457, 266940), (914, 133470), (1371, 88980), (1483, 82260), (1828, 66735), (2285, 53388), (2742, 44490), (2966, 41130), (4113, 29660), (4449, 27420), (4570, 26694), (5484, 22245), (5932, 20565), (6855, 17796), (7415, 16452), (8226, 14830), (8898, 13710), (9140, 13347)]