2015440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 80

約数和(自身を含む): 5535360

約数和(自身を除く): 3519920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 59, 61, 70, 80, 112, 118, 122, 140, 236, 244, 280, 295, 305, 413, 427, 472, 488, 560, 590, 610, 826, 854, 944, 976, 1180, 1220, 1652, 1708, 2065, 2135, 2360, 2440, 3304, 3416, 3599, 4130, 4270, 4720, 4880, 6608, 6832, 7198, 8260, 8540, 14396, 16520, 17080, 17995, 25193, 28792, 33040, 34160, 35990, 50386, 57584, 71980, 100772, 125965, 143960, 201544, 251930, 287920, 403088, 503860, 1007720, 2015440]

約数ペア:

[(1, 2015440), (2, 1007720), (4, 503860), (5, 403088), (7, 287920), (8, 251930), (10, 201544), (14, 143960), (16, 125965), (20, 100772), (28, 71980), (35, 57584), (40, 50386), (56, 35990), (59, 34160), (61, 33040), (70, 28792), (80, 25193), (112, 17995), (118, 17080), (122, 16520), (140, 14396), (236, 8540), (244, 8260), (280, 7198), (295, 6832), (305, 6608), (413, 4880), (427, 4720), (472, 4270), (488, 4130), (560, 3599), (590, 3416), (610, 3304), (826, 2440), (854, 2360), (944, 2135), (976, 2065), (1180, 1708), (1220, 1652)]