145379440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 349977600

約数和(自身を除く): 204598160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 127, 164, 205, 254, 328, 349, 410, 508, 635, 656, 698, 820, 1016, 1270, 1396, 1640, 1745, 2032, 2540, 2792, 3280, 3490, 5080, 5207, 5584, 6980, 10160, 10414, 13960, 14309, 20828, 26035, 27920, 28618, 41656, 44323, 52070, 57236, 71545, 83312, 88646, 104140, 114472, 143090, 177292, 208280, 221615, 228944, 286180, 354584, 416560, 443230, 572360, 709168, 886460, 1144720, 1772920, 1817243, 3545840, 3634486, 7268972, 9086215, 14537944, 18172430, 29075888, 36344860, 72689720, 145379440]

約数ペア:

[(1, 145379440), (2, 72689720), (4, 36344860), (5, 29075888), (8, 18172430), (10, 14537944), (16, 9086215), (20, 7268972), (40, 3634486), (41, 3545840), (80, 1817243), (82, 1772920), (127, 1144720), (164, 886460), (205, 709168), (254, 572360), (328, 443230), (349, 416560), (410, 354584), (508, 286180), (635, 228944), (656, 221615), (698, 208280), (820, 177292), (1016, 143090), (1270, 114472), (1396, 104140), (1640, 88646), (1745, 83312), (2032, 71545), (2540, 57236), (2792, 52070), (3280, 44323), (3490, 41656), (5080, 28618), (5207, 27920), (5584, 26035), (6980, 20828), (10160, 14309), (10414, 13960)]