305857920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{661}}^1$

素因数の和:924

約数の個数: 128

約数和(自身を含む): 980448480

約数和(自身を除く): 674590560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 241, 320, 384, 480, 482, 640, 661, 723, 960, 964, 1205, 1322, 1446, 1920, 1928, 1983, 2410, 2644, 2892, 3305, 3615, 3856, 3966, 4820, 5288, 5784, 6610, 7230, 7712, 7932, 9640, 9915, 10576, 11568, 13220, 14460, 15424, 15864, 19280, 19830, 21152, 23136, 26440, 28920, 30848, 31728, 38560, 39660, 42304, 46272, 52880, 57840, 63456, 77120, 79320, 84608, 92544, 105760, 115680, 126912, 154240, 158640, 159301, 211520, 231360, 253824, 317280, 318602, 423040, 462720, 477903, 634560, 637204, 796505, 955806, 1269120, 1274408, 1593010, 1911612, 2389515, 2548816, 3186020, 3823224, 4779030, 5097632, 6372040, 7646448, 9558060, 10195264, 12744080, 15292896, 19116120, 20390528, 25488160, 30585792, 38232240, 50976320, 61171584, 76464480, 101952640, 152928960, 305857920]

約数ペア:

[(1, 305857920), (2, 152928960), (3, 101952640), (4, 76464480), (5, 61171584), (6, 50976320), (8, 38232240), (10, 30585792), (12, 25488160), (15, 20390528), (16, 19116120), (20, 15292896), (24, 12744080), (30, 10195264), (32, 9558060), (40, 7646448), (48, 6372040), (60, 5097632), (64, 4779030), (80, 3823224), (96, 3186020), (120, 2548816), (128, 2389515), (160, 1911612), (192, 1593010), (240, 1274408), (241, 1269120), (320, 955806), (384, 796505), (480, 637204), (482, 634560), (640, 477903), (661, 462720), (723, 423040), (960, 318602), (964, 317280), (1205, 253824), (1322, 231360), (1446, 211520), (1920, 159301), (1928, 158640), (1983, 154240), (2410, 126912), (2644, 115680), (2892, 105760), (3305, 92544), (3615, 84608), (3856, 79320), (3966, 77120), (4820, 63456), (5288, 57840), (5784, 52880), (6610, 46272), (7230, 42304), (7712, 39660), (7932, 38560), (9640, 31728), (9915, 30848), (10576, 28920), (11568, 26440), (13220, 23136), (14460, 21152), (15424, 19830), (15864, 19280)]