421412880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{250841}}^1$

素因数の和:250864

約数の個数: 80

約数和(自身を含む): 1493011584

約数和(自身を除く): 1071598704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 250841, 501682, 752523, 1003364, 1254205, 1505046, 1755887, 2006728, 2508410, 3010092, 3511774, 3762615, 4013456, 5016820, 5267661, 6020184, 7023548, 7525230, 8779435, 10033640, 10535322, 12040368, 14047096, 15050460, 17558870, 20067280, 21070644, 26338305, 28094192, 30100920, 35117740, 42141288, 52676610, 60201840, 70235480, 84282576, 105353220, 140470960, 210706440, 421412880]

約数ペア:

[(1, 421412880), (2, 210706440), (3, 140470960), (4, 105353220), (5, 84282576), (6, 70235480), (7, 60201840), (8, 52676610), (10, 42141288), (12, 35117740), (14, 30100920), (15, 28094192), (16, 26338305), (20, 21070644), (21, 20067280), (24, 17558870), (28, 15050460), (30, 14047096), (35, 12040368), (40, 10535322), (42, 10033640), (48, 8779435), (56, 7525230), (60, 7023548), (70, 6020184), (80, 5267661), (84, 5016820), (105, 4013456), (112, 3762615), (120, 3511774), (140, 3010092), (168, 2508410), (210, 2006728), (240, 1755887), (280, 1505046), (336, 1254205), (420, 1003364), (560, 752523), (840, 501682), (1680, 250841)]