164273220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1997}}^1$

素因数の和:2469

約数の個数: 72

約数和(自身を含む): 499635864

約数和(自身を除く): 335362644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 457, 914, 1371, 1828, 1997, 2285, 2742, 3994, 4113, 4570, 5484, 5991, 6855, 7988, 8226, 9140, 9985, 11982, 13710, 16452, 17973, 19970, 20565, 23964, 27420, 29955, 35946, 39940, 41130, 59910, 71892, 82260, 89865, 119820, 179730, 359460, 912629, 1825258, 2737887, 3650516, 4563145, 5475774, 8213661, 9126290, 10951548, 13689435, 16427322, 18252580, 27378870, 32854644, 41068305, 54757740, 82136610, 164273220]

約数ペア:

[(1, 164273220), (2, 82136610), (3, 54757740), (4, 41068305), (5, 32854644), (6, 27378870), (9, 18252580), (10, 16427322), (12, 13689435), (15, 10951548), (18, 9126290), (20, 8213661), (30, 5475774), (36, 4563145), (45, 3650516), (60, 2737887), (90, 1825258), (180, 912629), (457, 359460), (914, 179730), (1371, 119820), (1828, 89865), (1997, 82260), (2285, 71892), (2742, 59910), (3994, 41130), (4113, 39940), (4570, 35946), (5484, 29955), (5991, 27420), (6855, 23964), (7988, 20565), (8226, 19970), (9140, 17973), (9985, 16452), (11982, 13710)]