28381920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{8447}}^1$

素因数の和:8472

約数の個数: 96

約数和(自身を含む): 102187008

約数和(自身を除く): 73805088

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, 8447, 16894, 25341, 33788, 42235, 50682, 59129, 67576, 84470, 101364, 118258, 126705, 135152, 168940, 177387, 202728, 236516, 253410, 270304, 295645, 337880, 354774, 405456, 473032, 506820, 591290, 675760, 709548, 810912, 886935, 946064, 1013640, 1182580, 1351520, 1419096, 1773870, 1892128, 2027280, 2365160, 2838192, 3547740, 4054560, 4730320, 5676384, 7095480, 9460640, 14190960, 28381920]

約数ペア:

[(1, 28381920), (2, 14190960), (3, 9460640), (4, 7095480), (5, 5676384), (6, 4730320), (7, 4054560), (8, 3547740), (10, 2838192), (12, 2365160), (14, 2027280), (15, 1892128), (16, 1773870), (20, 1419096), (21, 1351520), (24, 1182580), (28, 1013640), (30, 946064), (32, 886935), (35, 810912), (40, 709548), (42, 675760), (48, 591290), (56, 506820), (60, 473032), (70, 405456), (80, 354774), (84, 337880), (96, 295645), (105, 270304), (112, 253410), (120, 236516), (140, 202728), (160, 177387), (168, 168940), (210, 135152), (224, 126705), (240, 118258), (280, 101364), (336, 84470), (420, 67576), (480, 59129), (560, 50682), (672, 42235), (840, 33788), (1120, 25341), (1680, 16894), (3360, 8447)]