245117880

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{32423}}^1$

素因数の和:32450

約数の個数: 128

約数和(自身を含む): 933811200

約数和(自身を除く): 688693320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 32423, 64846, 97269, 129692, 162115, 194538, 226961, 259384, 291807, 324230, 389076, 453922, 486345, 583614, 648460, 680883, 778152, 875421, 907844, 972690, 1134805, 1167228, 1296920, 1361766, 1459035, 1750842, 1815688, 1945380, 2042649, 2269610, 2334456, 2723532, 2918070, 3404415, 3501684, 3890760, 4085298, 4377105, 4539220, 5447064, 5836140, 6127947, 6808830, 7003368, 8170596, 8754210, 9078440, 10213245, 11672280, 12255894, 13617660, 16341192, 17508420, 20426490, 24511788, 27235320, 30639735, 35016840, 40852980, 49023576, 61279470, 81705960, 122558940, 245117880]

約数ペア:

[(1, 245117880), (2, 122558940), (3, 81705960), (4, 61279470), (5, 49023576), (6, 40852980), (7, 35016840), (8, 30639735), (9, 27235320), (10, 24511788), (12, 20426490), (14, 17508420), (15, 16341192), (18, 13617660), (20, 12255894), (21, 11672280), (24, 10213245), (27, 9078440), (28, 8754210), (30, 8170596), (35, 7003368), (36, 6808830), (40, 6127947), (42, 5836140), (45, 5447064), (54, 4539220), (56, 4377105), (60, 4085298), (63, 3890760), (70, 3501684), (72, 3404415), (84, 2918070), (90, 2723532), (105, 2334456), (108, 2269610), (120, 2042649), (126, 1945380), (135, 1815688), (140, 1750842), (168, 1459035), (180, 1361766), (189, 1296920), (210, 1167228), (216, 1134805), (252, 972690), (270, 907844), (280, 875421), (315, 778152), (360, 680883), (378, 648460), (420, 583614), (504, 486345), (540, 453922), (630, 389076), (756, 324230), (840, 291807), (945, 259384), (1080, 226961), (1260, 194538), (1512, 162115), (1890, 129692), (2520, 97269), (3780, 64846), (7560, 32423)]