2019115575

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{3917}}^1$

素因数の和:4041

約数の個数: 72

約数和(自身を含む): 3789489600

約数和(自身を除く): 1770374025

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 79, 87, 145, 225, 237, 261, 395, 435, 711, 725, 1185, 1305, 1975, 2175, 2291, 3555, 3917, 5925, 6525, 6873, 11455, 11751, 17775, 19585, 20619, 34365, 35253, 57275, 58755, 97925, 103095, 113593, 171825, 176265, 293775, 309443, 340779, 515475, 567965, 881325, 928329, 1022337, 1547215, 1703895, 2784987, 2839825, 4641645, 5111685, 7736075, 8519475, 8973847, 13924935, 23208225, 25558425, 26921541, 44869235, 69624675, 80764623, 134607705, 224346175, 403823115, 673038525, 2019115575]

約数ペア:

[(1, 2019115575), (3, 673038525), (5, 403823115), (9, 224346175), (15, 134607705), (25, 80764623), (29, 69624675), (45, 44869235), (75, 26921541), (79, 25558425), (87, 23208225), (145, 13924935), (225, 8973847), (237, 8519475), (261, 7736075), (395, 5111685), (435, 4641645), (711, 2839825), (725, 2784987), (1185, 1703895), (1305, 1547215), (1975, 1022337), (2175, 928329), (2291, 881325), (3555, 567965), (3917, 515475), (5925, 340779), (6525, 309443), (6873, 293775), (11455, 176265), (11751, 171825), (17775, 113593), (19585, 103095), (20619, 97925), (34365, 58755), (35253, 57275)]