287101920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{85447}}^1$

素因数の和:85472

約数の個数: 96

約数和(自身を含む): 1033579008

約数和(自身を除く): 746477088

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 85447, 170894, 256341, 341788, 427235, 512682, 598129, 683576, 854470, 1025364, 1196258, 1281705, 1367152, 1708940, 1794387, 2050728, 2392516, 2563410, 2734304, 2990645, 3417880, 3588774, 4101456, 4785032, 5126820, 5981290, 6835760, 7177548, 8202912, 8971935, 9570064, 10253640, 11962580, 13671520, 14355096, 17943870, 19140128, 20507280, 23925160, 28710192, 35887740, 41014560, 47850320, 57420384, 71775480, 95700640, 143550960, 287101920]

約数ペア:

[(1, 287101920), (2, 143550960), (3, 95700640), (4, 71775480), (5, 57420384), (6, 47850320), (7, 41014560), (8, 35887740), (10, 28710192), (12, 23925160), (14, 20507280), (15, 19140128), (16, 17943870), (20, 14355096), (21, 13671520), (24, 11962580), (28, 10253640), (30, 9570064), (32, 8971935), (35, 8202912), (40, 7177548), (42, 6835760), (48, 5981290), (56, 5126820), (60, 4785032), (70, 4101456), (80, 3588774), (84, 3417880), (96, 2990645), (105, 2734304), (112, 2563410), (120, 2392516), (140, 2050728), (160, 1794387), (168, 1708940), (210, 1367152), (224, 1281705), (240, 1196258), (280, 1025364), (336, 854470), (420, 683576), (480, 598129), (560, 512682), (672, 427235), (840, 341788), (1120, 256341), (1680, 170894), (3360, 85447)]