2541440

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2$

素因数の和:68

約数の個数: 96

約数和(自身を含む): 6995160

約数和(自身を除く): 4453720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 128, 152, 160, 176, 190, 209, 220, 304, 320, 352, 361, 380, 418, 440, 608, 640, 704, 722, 760, 836, 880, 1045, 1216, 1408, 1444, 1520, 1672, 1760, 1805, 2090, 2432, 2888, 3040, 3344, 3520, 3610, 3971, 4180, 5776, 6080, 6688, 7040, 7220, 7942, 8360, 11552, 12160, 13376, 14440, 15884, 16720, 19855, 23104, 26752, 28880, 31768, 33440, 39710, 46208, 57760, 63536, 66880, 79420, 115520, 127072, 133760, 158840, 231040, 254144, 317680, 508288, 635360, 1270720, 2541440]

約数ペア:

[(1, 2541440), (2, 1270720), (4, 635360), (5, 508288), (8, 317680), (10, 254144), (11, 231040), (16, 158840), (19, 133760), (20, 127072), (22, 115520), (32, 79420), (38, 66880), (40, 63536), (44, 57760), (55, 46208), (64, 39710), (76, 33440), (80, 31768), (88, 28880), (95, 26752), (110, 23104), (128, 19855), (152, 16720), (160, 15884), (176, 14440), (190, 13376), (209, 12160), (220, 11552), (304, 8360), (320, 7942), (352, 7220), (361, 7040), (380, 6688), (418, 6080), (440, 5776), (608, 4180), (640, 3971), (704, 3610), (722, 3520), (760, 3344), (836, 3040), (880, 2888), (1045, 2432), (1216, 2090), (1408, 1805), (1444, 1760), (1520, 1672)]