404491920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{240769}}^1$

素因数の和:240792

約数の個数: 80

約数和(自身を含む): 1433063040

約数和(自身を除く): 1028571120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 240769, 481538, 722307, 963076, 1203845, 1444614, 1685383, 1926152, 2407690, 2889228, 3370766, 3611535, 3852304, 4815380, 5056149, 5778456, 6741532, 7223070, 8426915, 9630760, 10112298, 11556912, 13483064, 14446140, 16853830, 19261520, 20224596, 25280745, 26966128, 28892280, 33707660, 40449192, 50561490, 57784560, 67415320, 80898384, 101122980, 134830640, 202245960, 404491920]

約数ペア:

[(1, 404491920), (2, 202245960), (3, 134830640), (4, 101122980), (5, 80898384), (6, 67415320), (7, 57784560), (8, 50561490), (10, 40449192), (12, 33707660), (14, 28892280), (15, 26966128), (16, 25280745), (20, 20224596), (21, 19261520), (24, 16853830), (28, 14446140), (30, 13483064), (35, 11556912), (40, 10112298), (42, 9630760), (48, 8426915), (56, 7223070), (60, 6741532), (70, 5778456), (80, 5056149), (84, 4815380), (105, 3852304), (112, 3611535), (120, 3370766), (140, 2889228), (168, 2407690), (210, 1926152), (240, 1685383), (280, 1444614), (336, 1203845), (420, 963076), (560, 722307), (840, 481538), (1680, 240769)]