261879570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{373}}^1$

素因数の和:684

約数の個数: 96

約数和(自身を含む): 708879600

約数和(自身を除く): 447000030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 269, 290, 373, 435, 522, 538, 746, 807, 870, 1119, 1305, 1345, 1614, 1865, 2238, 2421, 2610, 2690, 3357, 3730, 4035, 4842, 5595, 6714, 7801, 8070, 10817, 11190, 12105, 15602, 16785, 21634, 23403, 24210, 32451, 33570, 39005, 46806, 54085, 64902, 70209, 78010, 97353, 100337, 108170, 117015, 140418, 162255, 194706, 200674, 234030, 301011, 324510, 351045, 486765, 501685, 602022, 702090, 903033, 973530, 1003370, 1505055, 1806066, 2909773, 3010110, 4515165, 5819546, 8729319, 9030330, 14548865, 17458638, 26187957, 29097730, 43646595, 52375914, 87293190, 130939785, 261879570]

約数ペア:

[(1, 261879570), (2, 130939785), (3, 87293190), (5, 52375914), (6, 43646595), (9, 29097730), (10, 26187957), (15, 17458638), (18, 14548865), (29, 9030330), (30, 8729319), (45, 5819546), (58, 4515165), (87, 3010110), (90, 2909773), (145, 1806066), (174, 1505055), (261, 1003370), (269, 973530), (290, 903033), (373, 702090), (435, 602022), (522, 501685), (538, 486765), (746, 351045), (807, 324510), (870, 301011), (1119, 234030), (1305, 200674), (1345, 194706), (1614, 162255), (1865, 140418), (2238, 117015), (2421, 108170), (2610, 100337), (2690, 97353), (3357, 78010), (3730, 70209), (4035, 64902), (4842, 54085), (5595, 46806), (6714, 39005), (7801, 33570), (8070, 32451), (10817, 24210), (11190, 23403), (12105, 21634), (15602, 16785)]