20160064

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:371

約数の個数: 56

約数和(自身を含む): 42976800

約数和(自身を除く): 22816736

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 59, 64, 76, 118, 152, 236, 281, 304, 472, 562, 608, 944, 1121, 1124, 1216, 1888, 2242, 2248, 3776, 4484, 4496, 5339, 8968, 8992, 10678, 16579, 17936, 17984, 21356, 33158, 35872, 42712, 66316, 71744, 85424, 132632, 170848, 265264, 315001, 341696, 530528, 630002, 1061056, 1260004, 2520008, 5040016, 10080032, 20160064]

約数ペア:

[(1, 20160064), (2, 10080032), (4, 5040016), (8, 2520008), (16, 1260004), (19, 1061056), (32, 630002), (38, 530528), (59, 341696), (64, 315001), (76, 265264), (118, 170848), (152, 132632), (236, 85424), (281, 71744), (304, 66316), (472, 42712), (562, 35872), (608, 33158), (944, 21356), (1121, 17984), (1124, 17936), (1216, 16579), (1888, 10678), (2242, 8992), (2248, 8968), (3776, 5339), (4484, 4496)]