287808780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{6653}}^1$

素因数の和:6775

約数の個数: 96

約数和(自身を含む): 930069504

約数和(自身を除く): 642260724

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 103, 105, 140, 206, 210, 309, 412, 420, 515, 618, 721, 1030, 1236, 1442, 1545, 2060, 2163, 2884, 3090, 3605, 4326, 6180, 6653, 7210, 8652, 10815, 13306, 14420, 19959, 21630, 26612, 33265, 39918, 43260, 46571, 66530, 79836, 93142, 99795, 133060, 139713, 186284, 199590, 232855, 279426, 399180, 465710, 558852, 685259, 698565, 931420, 1370518, 1397130, 2055777, 2741036, 2794260, 3426295, 4111554, 4796813, 6852590, 8223108, 9593626, 10278885, 13705180, 14390439, 19187252, 20557770, 23984065, 28780878, 41115540, 47968130, 57561756, 71952195, 95936260, 143904390, 287808780]

約数ペア:

[(1, 287808780), (2, 143904390), (3, 95936260), (4, 71952195), (5, 57561756), (6, 47968130), (7, 41115540), (10, 28780878), (12, 23984065), (14, 20557770), (15, 19187252), (20, 14390439), (21, 13705180), (28, 10278885), (30, 9593626), (35, 8223108), (42, 6852590), (60, 4796813), (70, 4111554), (84, 3426295), (103, 2794260), (105, 2741036), (140, 2055777), (206, 1397130), (210, 1370518), (309, 931420), (412, 698565), (420, 685259), (515, 558852), (618, 465710), (721, 399180), (1030, 279426), (1236, 232855), (1442, 199590), (1545, 186284), (2060, 139713), (2163, 133060), (2884, 99795), (3090, 93142), (3605, 79836), (4326, 66530), (6180, 46571), (6653, 43260), (7210, 39918), (8652, 33265), (10815, 26612), (13306, 21630), (14420, 19959)]