260044240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1787}}^1$

素因数の和:1924

約数の個数: 80

約数和(自身を含む): 646512192

約数和(自身を除く): 386467952

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 107, 136, 170, 214, 272, 340, 428, 535, 680, 856, 1070, 1360, 1712, 1787, 1819, 2140, 3574, 3638, 4280, 7148, 7276, 8560, 8935, 9095, 14296, 14552, 17870, 18190, 28592, 29104, 30379, 35740, 36380, 60758, 71480, 72760, 121516, 142960, 145520, 151895, 191209, 243032, 303790, 382418, 486064, 607580, 764836, 956045, 1215160, 1529672, 1912090, 2430320, 3059344, 3250553, 3824180, 6501106, 7648360, 13002212, 15296720, 16252765, 26004424, 32505530, 52008848, 65011060, 130022120, 260044240]

約数ペア:

[(1, 260044240), (2, 130022120), (4, 65011060), (5, 52008848), (8, 32505530), (10, 26004424), (16, 16252765), (17, 15296720), (20, 13002212), (34, 7648360), (40, 6501106), (68, 3824180), (80, 3250553), (85, 3059344), (107, 2430320), (136, 1912090), (170, 1529672), (214, 1215160), (272, 956045), (340, 764836), (428, 607580), (535, 486064), (680, 382418), (856, 303790), (1070, 243032), (1360, 191209), (1712, 151895), (1787, 145520), (1819, 142960), (2140, 121516), (3574, 72760), (3638, 71480), (4280, 60758), (7148, 36380), (7276, 35740), (8560, 30379), (8935, 29104), (9095, 28592), (14296, 18190), (14552, 17870)]