2531655

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:90

約数の個数: 80

約数和(自身を含む): 5575680

約数和(自身を除く): 3044025

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 47, 57, 63, 81, 95, 105, 133, 135, 141, 171, 189, 235, 285, 315, 329, 399, 405, 423, 513, 567, 665, 705, 855, 893, 945, 987, 1197, 1269, 1539, 1645, 1995, 2115, 2565, 2679, 2835, 2961, 3591, 3807, 4465, 4935, 5985, 6251, 6345, 7695, 8037, 8883, 10773, 13395, 14805, 17955, 18753, 19035, 24111, 26649, 31255, 40185, 44415, 53865, 56259, 72333, 93765, 120555, 133245, 168777, 281295, 361665, 506331, 843885, 2531655]

約数ペア:

[(1, 2531655), (3, 843885), (5, 506331), (7, 361665), (9, 281295), (15, 168777), (19, 133245), (21, 120555), (27, 93765), (35, 72333), (45, 56259), (47, 53865), (57, 44415), (63, 40185), (81, 31255), (95, 26649), (105, 24111), (133, 19035), (135, 18753), (141, 17955), (171, 14805), (189, 13395), (235, 10773), (285, 8883), (315, 8037), (329, 7695), (399, 6345), (405, 6251), (423, 5985), (513, 4935), (567, 4465), (665, 3807), (705, 3591), (855, 2961), (893, 2835), (945, 2679), (987, 2565), (1197, 2115), (1269, 1995), (1539, 1645)]