16437680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:366

約数の個数: 80

約数和(自身を含む): 44193600

約数和(自身を除く): 27755920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 149, 197, 280, 298, 394, 560, 596, 745, 788, 985, 1043, 1192, 1379, 1490, 1576, 1970, 2086, 2384, 2758, 2980, 3152, 3940, 4172, 5215, 5516, 5960, 6895, 7880, 8344, 10430, 11032, 11920, 13790, 15760, 16688, 20860, 22064, 27580, 29353, 41720, 55160, 58706, 83440, 110320, 117412, 146765, 205471, 234824, 293530, 410942, 469648, 587060, 821884, 1027355, 1174120, 1643768, 2054710, 2348240, 3287536, 4109420, 8218840, 16437680]

約数ペア:

[(1, 16437680), (2, 8218840), (4, 4109420), (5, 3287536), (7, 2348240), (8, 2054710), (10, 1643768), (14, 1174120), (16, 1027355), (20, 821884), (28, 587060), (35, 469648), (40, 410942), (56, 293530), (70, 234824), (80, 205471), (112, 146765), (140, 117412), (149, 110320), (197, 83440), (280, 58706), (298, 55160), (394, 41720), (560, 29353), (596, 27580), (745, 22064), (788, 20860), (985, 16688), (1043, 15760), (1192, 13790), (1379, 11920), (1490, 11032), (1576, 10430), (1970, 8344), (2086, 7880), (2384, 6895), (2758, 5960), (2980, 5516), (3152, 5215), (3940, 4172)]