145218640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1229}}^1$

素因数の和:1460

約数の個数: 80

約数和(自身を含む): 388010880

約数和(自身を除く): 242792240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 211, 280, 422, 560, 844, 1055, 1229, 1477, 1688, 2110, 2458, 2954, 3376, 4220, 4916, 5908, 6145, 7385, 8440, 8603, 9832, 11816, 12290, 14770, 16880, 17206, 19664, 23632, 24580, 29540, 34412, 43015, 49160, 59080, 68824, 86030, 98320, 118160, 137648, 172060, 259319, 344120, 518638, 688240, 1037276, 1296595, 1815233, 2074552, 2593190, 3630466, 4149104, 5186380, 7260932, 9076165, 10372760, 14521864, 18152330, 20745520, 29043728, 36304660, 72609320, 145218640]

約数ペア:

[(1, 145218640), (2, 72609320), (4, 36304660), (5, 29043728), (7, 20745520), (8, 18152330), (10, 14521864), (14, 10372760), (16, 9076165), (20, 7260932), (28, 5186380), (35, 4149104), (40, 3630466), (56, 2593190), (70, 2074552), (80, 1815233), (112, 1296595), (140, 1037276), (211, 688240), (280, 518638), (422, 344120), (560, 259319), (844, 172060), (1055, 137648), (1229, 118160), (1477, 98320), (1688, 86030), (2110, 68824), (2458, 59080), (2954, 49160), (3376, 43015), (4220, 34412), (4916, 29540), (5908, 24580), (6145, 23632), (7385, 19664), (8440, 17206), (8603, 16880), (9832, 14770), (11816, 12290)]