172401440

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{56711}}^1$

素因数の和:56745

約数の個数: 48

約数和(自身を含む): 428742720

約数和(自身を除く): 256341280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 56711, 113422, 226844, 283555, 453688, 567110, 907376, 1077509, 1134220, 1814752, 2155018, 2268440, 4310036, 4536880, 5387545, 8620072, 9073760, 10775090, 17240144, 21550180, 34480288, 43100360, 86200720, 172401440]

約数ペア:

[(1, 172401440), (2, 86200720), (4, 43100360), (5, 34480288), (8, 21550180), (10, 17240144), (16, 10775090), (19, 9073760), (20, 8620072), (32, 5387545), (38, 4536880), (40, 4310036), (76, 2268440), (80, 2155018), (95, 1814752), (152, 1134220), (160, 1077509), (190, 907376), (304, 567110), (380, 453688), (608, 283555), (760, 226844), (1520, 113422), (3040, 56711)]